Czech Alphabet
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Czech Alphabet

Czech orthography is a system of rules for correct writing (orthography) in Czech.

The modern Czech orthographic system is diacritic, having evolved from an earlier system which used many digraphs (although some digraphs have been kept - ch, d?). The caron is added to standard Latin letters to express sounds which are foreign to Latin. The acute accent is used for long vowels.

The Czech orthography is considered the model for many other Balto-Slavic languages using the Latin alphabet; Slovak orthography being its direct revised descendant, while the Croatian Gaj's Latin alphabet and its Slovene alphabet descendant system are largely based on it. All of them make use of similar diacritics and also have a similar, usually interchangeable, relationship between the letters and the sounds they are meant to represent.[1]


The Czech alphabet consists of 42 letters.

Czech alphabet
Majuscule forms (uppercase/capital letters)
A Á B C ? D ? E É ? F G H CH I Í J K L M N
? O Ó P Q R ? S ? T ? U Ú ? V W X Y Ý Z ?
Minuscule forms (lowercase/small letters)
a á b c ? d ? e é ? f g h ch i í j k l m n
? o ó p q r ? s ? t ? u ú ? v w x y ý z ?
Czech alphabet (detail)
Letter Name Letter Name
Uppercase Lowercase Uppercase Lowercase
A a á ? ? e?
Á á dlouhé á; á s ?árkou O o ó
B b Ó ó[a] dlouhé ó; ó s ?árkou
C c P p
? ? Q q kvé
D d R r er
? ? ? ? e?
E e é S s es
É é dlouhé é; é s ?árkou ? ? e?
? ?[b] ije; é s há?kem T t
F f[a] ef ? ?
G g[a] U u ú
H h Ú ú dlouhé ú; ú s ?árkou
CH ch chá ? ?[b] ? s krou?kem
I i í; m?kké i V v
Í í dlouhé í; dlouhé m?kké í;
í s ?árkou; m?kké í s ?árkou
W w dvojité vé
J j X x iks
K k Y y ypsilon; krátké tvrdé ý
L l el Ý ý dlouhé ypsilon; dlouhé tvrdé ý;
ypsilon s ?árkou; tvrdé ý s ?árkou
M m em Z z zet
N n en ? ? ?et
  1. ^ a b c The letters F, G, and Ó represent the sounds /f/, /?/, and /o:/, respectively, which, when not allophones of /v/ and /k/ in the case of the first two, are used almost exclusively in words and names of foreign origin. With the increasing usage of foreign loanwords and foreign terms, they appear fairly commonly in modern Czech.
  2. ^ a b The letters ? and ? never occur at the beginning of a word. Their capitalized forms are used only in all caps or small caps inscriptions, such as newspaper headlines.

The letters Q, W, and X are used exclusively in foreign words, and the former two are replaced with KV and V once the word becomes "naturalized" (assimilated into Czech); the digraphs dz and d? are also used mostly for foreign words and are not considered to be distinct letters in the Czech alphabet.

Orthographic principles

Czech orthography is primarily phonemic (rather than phonetic) because an individual grapheme usually corresponds to an individual phoneme (rather than a sound). However, some graphemes and letter groups are remnants of historical phonemes which were used in the past but have since merged with other phonemes. Some changes in the phonology have not been reflected in the orthography.

Grapheme IPA value Notes
? , /j?/ Marks palatalization of preceding consonant; see usage rules below
i Palatalizes preceding ⟨d⟩, ⟨t⟩, or ⟨n⟩; see usage rules below
í Palatalizes preceding ⟨d⟩, ⟨t⟩, or ⟨n⟩; see usage rules below
ó Occurs mostly in words of foreign origin.
ú See usage rules below
? See usage rules below
y See usage rules below
ý See usage rules below
Grapheme IPA value Notes
c [n 1]
? [n 1]
d Represents before ⟨i í ?⟩; see below
f Occurs mostly in words of foreign origin.
g Occurs mostly in words of foreign origin.[]
n Represents before ⟨i í ?⟩; see below
? [n 2]
t Represents before ⟨i í ?⟩; see below
x /ks/, /?z/ Occurs only in words of foreign origin; pronounced /?z/ in words with the prefix 'ex-' before vowels or voiced consonants.
  1. ^ a b Unofficial ligatures are sometimes used for the transcription of affricates: /ts/, /dz/, /t?/, /d?/. The actual IPA version supports using two separate letters which can be joined by a tiebar.
  2. ^ The "long-leg R" ⟨?⟩ is sometimes used to transcribe voiced ⟨?⟩ (unofficially). This character was withdrawn from the IPA and replaced by the "lower-case R" with the "up-tack" diacritic mark, which denotes "raised alveolar trill".

Voicing assimilation

All the obstruent consonants are subject to voicing (before voiced obstruents except ⟨v⟩) or devoicing (before voiceless consonants and at the end of words); spelling in these cases is morphophonemic (i.e. the morpheme has the same spelling as before a vowel). An exception is the cluster ⟨sh⟩, in which the /s/ is voiced to /z/ only in Moravian dialects, while in Bohemia the /?/ is devoiced to /x/ instead (e.g. shodit /sxot/, in Moravia /z?ot/). Devoicing /?/ changes its articulation place: it becomes [x]. After unvoiced consonants ⟨?⟩ is devoiced: for instance, in t?i 'three', which is pronounced . Written voiced or voiceless counterparts are kept according to the etymology of the word, e.g. odpadnout ['otpadnot] (to fall away) - od- is a prefix; written /d/ is devoiced here because of the following voiceless /p/.

For historical reasons, the consonant [?] is written k in Czech words like kde ('where', < Proto-Slavic *k?d?) or kdo ('who', < Proto-Slavic *k?to). This is because the letter g was historically used for the consonant [j]. The original Slavic phoneme /?/ changed into /h/ in the Old-Czech period. Thus, /?/ is not a separate phoneme (with a corresponding grapheme) in words of domestic origin; it occurs only in foreign words (e.g. graf, gram, etc.).

Final devoicing

Unlike in English but like German and Russian, voiced consonants are pronounced voicelessly in the final position in words. In declension, they are voiced in cases where the words take on endings.


led ['l?t] - ledy ['l?d?] (ice - ices)
let ['l?t] - lety ['l?t?] (flight - flights)

"Soft" I and "hard" Y

The letters ?i? and ?y? are both pronounced [?], while ?í? and ?ý? are both pronounced [i:]. ?y? was originally pronounced [?] as in contemporary Polish. However, in the 14th century, this difference in standard pronunciation disappeared, though it has been preserved in some Moravian dialects.[2] In words of native origin "soft" ?i? and ?í? cannot follow "hard" consonants, while "hard" ?y? and ?ý? cannot follow "soft" consonants; "neutral" consonants can be followed by either vowel:

Hard and soft consonants
Soft ?, ?, ?, ?, c, j, ?, ?, ?
Neutral b, f, l, m, p, s, v, z
Hard h, ch, k, r, d, t, n, g

When ?i? or ?í? is written after ?d, t, n? in native words, these consonants are soft, as if they were written , ?, . That is, the sounds [, ?i:, c?, ci:, , ?i:] are written ?di, dí, ti, tí, ni, ní? instead of i, ?í, ?i, ?í, ?i, ?í?, e.g. in ?e?tina ['t?c?na]. The sounds [d?, di:, t?, ti:, n?, ni:] are denoted, respectively, by ?dy, dý, ty, tý, ny, ný?. In words of foreign origin, ?di, ti, ni? are pronounced [d?, t?, n?]; that is, as if they were written ?dy, ty, ny?, e.g. in diktát, dictation.

Historically the letter ?c? was hard, but this changed in the 19th century. However, in some words it is still followed by the letter ?y?: tác (plate) - tácy (plates).

Because neutral consonants can be followed by either ?i? or ?y?, in some cases they distinguish homophones, e.g. být (to be) vs. bít (to beat), mýt (to wash) vs. mít (to have). At school pupils must memorize word roots and prefixes where ?y? is written; ?i? is written in other cases. Writing ?i? or ?y? in endings is dependent on the declension patterns.

Letter ?

The letter is a vestige of Old Czech palatalization. The originally palatalizing phoneme /?/ [] became extinct, changing to [?] or [j?], but it is preserved as a grapheme which can never appear in the initial position.

  • [, c?, ] are written ?d?, t?, n instead of e, ?e, ?e?, analogously to ?di, ti, ni?
  • [bj?, pj?, vj?, fj?] are usually written ?b?, p?, v?, f instead of ?bje, pje, vje, fje?
    • In words like vjezd (entry, drive-in) objem (volume), ?bje, vje? are written because in such cases -je- is etymologically preceded by the prefixes v- or ob-
  • [m] is usually written ?m instead of ?mn, except for morphological reasons in some words (jemný, soft -> jemn?, softly)
    • The first-person singular pronouns m? (for the genitive and accusative cases) and mn? (for the dative and locative) are homophones [m]--see Czech declension

Letter ?

There are two ways in Czech to write long [u:]ú? and . cannot occur in an initial position, while ?ú? occurs almost exclusively in the initial position or at the beginning of a word root in a compound.

Historically, long ?ú? changed into the diphthong ?ou? [ou?] (as also happened in the English Great Vowel Shift with words such as "house"), though not in word-initial position in the prestige form. In 1848 ?ou? at the beginning of word-roots was changed into ?ú? in words like ou?ad to reflect this. Thus, the letter ?ú? is written at the beginning of word-roots only: úhel (angle), trojúhelník (triangle), except in loanwords: skútr (scooter).

Meanwhile, historical long ?ó? [o:] changed into the diphthong ?uo? [?o]. As was common with scribal abbreviations, the letter ?o? in the diphthong was sometimes written as a ring above the letter ?u?, producing , e.g. kó? > kuo? > k (horse), like the origin of the German umlaut. Later, the pronunciation changed into [u:], but the grapheme has remained. It never occurs at the beginning of words: d?m (house), dom? (home, homeward).

The letter now has the same pronunciation as the letter ?ú? (long [u:]), but alternates with a short ?o? when a word is inflected (e.g. nom. k -> gen. kon?, nom. d?m -> gen. domu), thus showing the historical evolution of the language.

Agreement between the subject and the predicate

The predicate must be always in accordance with the subject in the sentence - in number and person (personal pronouns), and with past and passive participles also in gender. This grammatical principle affects the orthography (see also "Soft" I and "Hard" Y) - it is especially important for the correct choice and writing of plural endings of the participles.


Gender Sg. Pl. English
masculine animate pes byl koupen psi byli koupeni a dog was bought/dogs were bought
masculine inanimate hrad byl koupen hrady byly koupeny a castle was bought/castles were bought
feminine ko?ka byla koupena ko?ky byly koupeny a cat was bought/cats were bought
neuter m?sto bylo koupeno m?sta byla koupena a town was bought/towns were bought

The mentioned example shows both past (byl, byla ...) and passive (koupen, koupena ...) participles. The accordance in gender takes effect in the past tense and the passive voice, not in the present and future tenses in active voice.

If the complex subject is a combination of nouns of different genders, masculine animate gender is prior to others and the masculine inanimate and feminine genders are prior to the neuter gender.


mu?i a ?eny byli - men and women were
ko?ky a ko?ata byly - cats and kittens were
my jsme byli (my = we all/men) vs. my jsme byly (my = we women) - we were

Priority of genders:

masculine animate > masculine inanimate & feminine > neuter


The use of the full stop (.), the colon (:), the semicolon (;), the question mark (?) and the exclamation mark (!) is similar to their use in other European languages. The full stop is placed after a number if it stands for ordinal numerals (as in German), e.g. 1. den (= první den) - the 1st day.

The comma is used to separate individual parts in complex-compound sentences, lists, isolated parts of sentences, etc. Its use in Czech is different from English. Subordinate (dependent) clauses must be always separated from their principal (independent) clauses, for instance. A comma is not placed before a (and), i (as well as), ani (nor) and nebo (or) when they connect parts of sentences or clauses in copulative conjunctions (on a same level). It must be placed in non-copulative conjunctions (consequence, emphasis, exclusion, etc.). A comma can, however, occur in front of the word a (and) if the former is part of comma-delimited parenthesis: Jakub, m?j mlad?í bratr, a jeho u?itel Filip byli p?íli? zabráni do rozhovoru. Probírali látku, která bude u zkou?ky, a té?, kdo na ní bude. A comma also separates subordinate conjunctions introduced by compostide conjunctions a proto (and therefore) and a tak (and so).


  • otec a matka - father and mother, otec nebo matka - father or mother (coordinate relation - no commas)
  • Je to pravda, nebo ne? - Is it true, or not? (exclusion)
  • Pr?elo, a proto nikdo nep?i?el. - It was raining, and this is why nobody came. (consequence)
  • Já vím, kdo to je. - I know who it is. Myslím, ?e se mýlí?. - I think (that) you are wrong. (subordinate relation)
  • Jak se má?, Anno? - How are you, Anna? (addressing a person)
  • Karel IV., ?ímský císa? a ?eský král, zalo?il hrad Karl?tejn. - Charles IV, Holy Roman Emperor and Bohemian king, founded the Karl?tejn Castle. (comma-delimited parenthesis)

Quotation marks. The first one preceding the quoted text is placed to the bottom line:

  • Petr ?ekl: ,,P?ijdu zítra." - Peter said: "I'll come tomorrow."

Other types of quotation marks: ,' »«

Apostrophes are used rarely in Czech. They can denote a missing sound in non-standard speech, but it is optional, e.g. ?ek' or ?ek (= ?ekl, he said).

Capital letters

The first word of every sentence and all proper names are capitalized. Special cases are:

  • Respect expression - optional: Ty (you sg.), Tv?j (your sg.), Vy (you pl.), Vá? (your pl.); B?h (God), Mistr (Master), etc.
  • Headings - The first word is capitalized.
  • Cities, towns and villages - All words are capitalized, except for prepositions: Nové M?sto nad Metují (New-Town-upon-Metuje).
  • Geographical or local names - The first word is capitalized, common names as ulice (street), nám?stí (square) or mo?e (sea) are not capitalized: ulice Svornosti (Concordance Street), Václavské nám?stí (Wenceslas Square), Severní mo?e (North Sea). Since 1993, the initial preposition and the first following word are capitalized: lékárna U ?erného orla (Black Eagle Pharmacy).
  • Official names of institutions - The first word is capitalized: M?stský ú?ad v Kolín? (The Municipal Office in Kolín) vs. m?stský ú?ad (a municipal office). In some cases, a initial common name is not capitalized even if it is factually a part of the name: okres Semily (Semily District), nám?stí Míru (Peace Square).
  • Names of nations and nationality nouns are capitalized: Anglie (England), Angli?an (Englishman), N?mecko (Germany), N?mec (German). Adjectives derived from geographical names and names of nations, such as anglický (English - adjective) and pra?ský (Prague - adjective, e.g. pra?ské metro, Prague subway), are not. Names of languages are not capitalized: angli?tina (English).
  • Possessive adjectives derived from proper names are capitalized: Pavl?v d?m (Paul's house).
  • Brands are capitalized as a trademark or company name, but usually not as product names: p?ijel trabant a n?kolik ?kodovek but p?ijelo auto zna?ky Trabant a n?kolik aut zna?ky ?koda, zákaz vjezdu segway? but zákaz vjezdu vozítek Segway
  • If a proper name contains other proper names, the inner proper names keep their orthography: Poslanecká sn?movna Parlamentu ?eské republiky, Kostelec nad ?ernými lesy, Filozofická fakulta Jiho?eské univerzity v ?eských Bud?jovicích


In the 9th century, Glagolitic script was used, during the 11th century it was replaced by Latin script. There are five periods in the development of the Czech Latin-based orthographic system:

Primitive orthography
For writing sounds which are foreign to the Latin alphabet, letters with similar sounds were used. The oldest known written notes in Czech originate from the 11th century. The literature was written predominantly in Latin in this period. Unfortunately, it was very ambiguous at times, with c, for example, being used for c, ?, and k.
Digraphic orthography
Various digraphs were used for non-Latin sounds. The system was not consistent and it also did not distinguish long and short vowels. It had some features that Polish orthography has kept, such as cz, rz instead of ?, ?, but was still crippled by ambiguities, such as spelling both s and ? as s/ss, z and ? as z, and sometimes even c and ? both as cz, only distinguishing by context. Long vowels such as á were sometimes (but not always) written double as aa. Other features of the day included spelling j as g and v as w, as the early modern Latin alphabet had not by then distinguished j from i or v from u.
Diacritic orthography
Introduced probably by Jan Hus. Using diacritics for long vowels ("virgula", an acute, "?árka" in Czech) and "soft" consonants ("punctus rotundus", a dot above a letter, which has survived in Polish ?) was suggested for the first time in "De orthographia Bohemica" around 1406. Diacritics replaced digraphs almost completely. It was also suggested that the Prague dialect should become the standard for Czech. Jan Hus is considered to be the author of that work but there is some uncertainty about this.
Brethren orthography
The Bible of Kralice (1579-1593), the first complete Czech translation of the Bible from the original languages by the Czech Brethren, became the model for the literary form of the language. The punctus rotundus was replaced by the caron ("há?ek"). There were some differences from the current orthography, e.g. the digraph ss was used instead of ?; ay, ey, au instead of aj, ej, ou; v instead of u (at the beginning of words); w instead of v; g instead of j; and j instead of í (gegj = její, hers). Y was written always after c, s and z (e.g. cizí, foreign, was written cyzý) and the conjunction i (as well as, and) was written y.
Modern orthography
During the period of the Czech National Renaissance (end of the 18th century and the first half of the 19th century), Czech linguists (Josef Dobrovský et al.) codified some reforms in the orthography. These principles have been effective up to the present day. The later reforms in the 20th century mostly referred to introducing loanwords into Czech and their adaptation to the Czech orthography.

Computer encoding

In computing, several different coding standards have existed for this alphabet, among them:

See also


  1. ^ Dvornik, Francis (1962). The Slavs in European History and Civilization. Rutgers University Press. pp. 287. ISBN 0813507995.
  2. ^ ?eský Jazykový Atlas. Czech Language Institute, vol. 5. pp. 115-117. Retrieved 2017.
  3. ^ "P?ehled kódování ?e?tiny". Retrieved .

External links

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