In articulatory phonetics, trilled affricates, also known as post-trilled consonants, are consonants which begin as a stop and have a trill release. These consonants are reported to exist in some Northern Paman languages in Australia,Hale, Kenneth (1976). "Phonological Developments in Particular Northern Paman Languages." In: Languages of Cape York, ed. Peter Sutton. Canberra: Australian Institute of Aboriginal Studies. as well as in some Chapacuran languages such as Wariʼ and Oro Win, Austronesian languages such as Fijian and Malagasy, and in Namuyi.
Sound (voiceless) IPA Languages Sound (voiced) IPA Languages Voiceless trilled bilabial affricate Namuyi Voiced trilled bilabial affricate Kele and Avava. Only reported in an allophone of [mb] before [o] or [u], Namuyi Voiceless trilled alveolar affricate Ngkoth Voiced trilled alveolar affricate Nias, Fijian and Avava also have this sound after [n]. Voiceless epiglottal affricate Not attested in any natural language, but may occur in Hydaburg Haida. Voiced epiglottal affricate Hydaburg Haida. Possibly voiceless or a stop instead. Cognate to Southern Haida , Masset Haida .
In Fijian, trilling is rare in these sounds, and they are frequently distinguished by being postalveolar. p. 131 In Malagasy, they may have a rhotic release, , be simple stops, , or standard affricates, . Similarly, the trilled retroflex affricates have been reported to occur in Baima, though phonetically they may be closer to sequences of a stop and fricative trill.
Most post-trilled consonants are affricates: the stop and trill share the same place of articulation. However, there is a rare exception in a few neighboring Amazonian languages, where a voiceless bilabially post-trilled dental stop, (occasionally written ) is reported from a few words in the Chapacuran languages Wariʼ and Oro Win. In the Chapacuran languages, is reported almost exclusively before rounded vowels such as and . Sangtam contrasts with aspirated .
Hydaburg Haida is cognate to Southern Haida , Masset Haida .
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