Makurap language

Makurap is a Tupian language of Brazil, spoken by the Makurap people of Rondônia. Portuguese is now the primary language of the younger Makurap; older members of Indigenous peoples in the region use Makurap during 'chichada' festivals where chicha is communally consumed.

Phonology

Consonants

Sounds /p, t, k/ are heard as voiced when before voiced consonants.
Sounds /p, t, tʃ, k/ are heard as unreleased when in word-final position.
Nasal sounds /m, n, ŋ/ are heard as prenasalized stops in syllable-initial positions in free variation.
/w/ is also heard as a fricative in free variation.
/ɾ/ is also heard as liquid sounds and in free variation.
/j/ may also be heard as an affricate or prenasal in word-initial positions, and as when in between nasal vowels.

Vowels

/e/ may also be heard as in free variation.
A length distinction is lost among younger speakers. For example, the words 'sweet' and 'cold' are homophones in modern pronunciation.