Tuyuca[2] (also Dochkafuara, Tejuca, Tuyuka, Dojkapuara, Doxká-Poárá, Doka-Poara, or Tuiuca) is an Eastern Tucanoan language (similar to Tucano).

Tuyuca is a postpositional agglutinative subject–object–verb language with mandatory type II evidentiality.

[4] Tuyuca's consonants are /p t k b d ɡ s r w j h/, and its vowels are /i ɨ u e a o/, with syllable nasalization and pitch accent occurring as well.

[5] Velar and palatal contrasts Segments in a word are either all nasal or all oral.

A syllable is any unit that may take tone and has a vocalic nucleus, regardless of whether or not it has a consonant before it.