Voiceless labiodental affricate

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A voiceless labiodental affricate ([p̪͡f] in IPA) is a rare consonant, which is initiated as a labiodental plosive [p̪], but released as a voiceless labiodental fricative [f].

The XiNkuna dialect of Tsonga has this affricate, as in [tim̪p̪͡fuβu] "hippos" and aspirated [m̪p̪͡fʰuka] "distance" (compare [m̪futsu] "tortoise", which shows that the plosive is not epenthetic), as well as a voiced labiodental affricate, [b̪v], as in [ʃileb̪͡vu] "chin". There is no voiceless labiodental fricative [f] in this dialect of Tsonga, only a voiceless bilabial fricative, as in [ɸu] "finished". (Among voiced fricatives, both [β] and [v] occur, however.)

German has a similar sound, a voiceless bilabial-labiodental affricate, as in Apfel [ap͡fəl] 'apple'. This differs from a true labiodental affricate in that it starts out with a bilabial stop [p].

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