Lyngngam phonology

Consonant inventory
The following table lists the consonants attested in Lyngngam.
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! colspan = "2" | ! Bilabial ! Alveolar ! Palatal ! Velar ! Postvelar ! Glottal ! rowspan = "2" | Nasal ! voiceless ! voiced ! rowspan = "3" | Stop ! voiceless ! aspirated ! voiced ! rowspan = "2" | fricative ! voiceless ! voiced ! colspan = "2" | Liquid ! colspan = "2" | Approximant The main difference with the Khasi language is that Lyngngam does not possess the voiced aspirated series. Furthermore, Lyngngam does not have the phoneme. Words which have in Khasi typically have  or  in Lyngngam, as in the following pairs of cognates:
 * ṁ
 * ṅ
 * ṅj
 * ŋ̇
 * ṋ̇
 * m
 * n
 * nj
 * ŋ
 * ṋ
 * p
 * t
 * tj
 * k
 * c
 * p
 * t
 * tj
 * k
 * c
 * b
 * d
 * dj
 * g
 * q
 * s
 * h
 * h
 * h
 * h
 * h
 * f
 * z
 * ɣ
 * x
 * x
 * v
 * r
 * l
 * ł
 * ł
 * w
 * j
 * ẅ
 * ẍ
 * }
 * }
 * }
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! Lyngngam ! Khasi ! meaning
 * bone
 * 10
 * hair
 * chisel
 * }
 * 10
 * hair
 * chisel
 * }
 * hair
 * chisel
 * }
 * chisel
 * }
 * chisel
 * }
 * }

Vowel inventory
The following table lists the vowel inventory of the language. The only vowels showing a length distinction are and, in contradistinction to Khasi, where length is distinctive for all vowels.
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!rowspan = "2"| !rowspan = "2"| Front !rowspan = "2"| Central !colspan = "2"| Back ! unrounded ! rounded ! Close ! Close-mid ! Mid ! Open-mid ! Open
 * i
 * î
 * u
 * u
 * y
 * ʊ
 * ʊ
 * ʊ
 * e
 * ə
 * o
 * o
 * ɛ
 * ʌ
 * ɔ
 * ɔ
 * æ
 * a
 * â
 * }
 * }

Words with diphthongs in Khasi have monophthongs in Lyngngam, as in the following pairs of cognates:
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! Lyngngam ! Khasi ! meaning
 * month
 * dog
 * night
 * }
 * dog
 * night
 * }
 * dog
 * night
 * }
 * night
 * }
 * }