The phonological system of Xincan languages had some variance, as evidenced by the variations in recorded phonology exhibited among semi-speakers of the two remaining languages.
Vowels[]
It is generally agreed upon that the Xincan languages have 6 vowels.
| Front | Central | Back | |
|---|---|---|---|
| Close | i | ɨ | u |
| Close-Mid | e | o | |
| Open | a |
Consonants[]
The number and type of consonants in the Xincan languages is not known. This chart shows the consonants used by the final semi-speakers of the language.
| Bilabial | Alveolar | Postalveolar | Velar | Glottal | |||||
|---|---|---|---|---|---|---|---|---|---|
| plain | ejective | plain | ejective | lateral | plain | ejective | |||
| Stop | p | pʼ | t | tʼ | k | kʼ | ʔ | ||
| Fricative | s | ɬ | ʃ | h | |||||
| Affricate | t͡sʼ | t͡ʃ | |||||||
| Nasal | m | n | |||||||
| Approximant | l | ɰ | |||||||
| Trill | r | ||||||||
Many younger semi-speakers also used the phonemes /b, d, g, f, ŋ, ʂ/ due to greater influence from Spanish.