The voiceless alveolar tap or flap is rare as a phoneme. The symbol in the International Phonetic Alphabet that represents this sound is ⟨⟩, a combination of the letter for the voiced alveolar tap/flap and a diacritic indicating voicelessness. The equivalent X-SAMPA symbol is
The voiceless alveolar tapped fricative reported from some languages is actually a very brief voiceless alveolar non-sibilant fricative.
Features of the voiceless alveolar tap or flap:
|Bengali||?||['äbä]||'again'||Possible allophone of /?/ in the syllable coda. See Bengali phonology|
|English||throw||[?o?]||'throw'||Allophone of /?/ after /?/.|
|Greek||Cypriot||??||'brother'||Allophone of /?/ before voiceless consonants. May be a voiceless alveolar trill instead|
|Icelandic||hrafn||['apn]||'raven'||Realization of /r?/ for some speakers. Also illustrates /n?/. See Icelandic phonology|
|Portuguese||European||assar||[?'sä]||'to bake'||Apparent allophone of /?/; distribution unclear, but common in the coda in Jesus (2001)'s corpus. See Portuguese phonology|