The phonological system of the Hejazi Arabic consists of approximately 26 to 28 native consonant phonemes, and 8 vowel phonemes /a, u, i, aː, uː, oː, iː, eː/, in addition to 2 diphthongs /aw, aj/. Consonant length and Vowel length are both distinctive in Hejazi.
Consonants[]
| Labial | Dental | Denti-alveolar | Palatal | Velar | Pharyngeal | Glottal | |||
|---|---|---|---|---|---|---|---|---|---|
| plain | emphatic | ||||||||
| Nasal | m | n | |||||||
| Occlusive | voiceless | (p) | t | tˤ | k | ʔ | |||
| voiced | b | d | dˤ | d͡ʒ | ɡ | ||||
| Fricative | voiceless | f | θ* | s | sˤ | ʃ | x | ħ | h |
| voiced | (v) | ð* | z | zˤ | ɣ | ʕ | |||
| Trill | r | ||||||||
| Approximant | l | (ɫ) | j | w | |||||
Vowels[]
| Short | Long | |||
|---|---|---|---|---|
| Front | Back | Front | Back | |
| Close | i | u | iː | uː |
| Mid | eː | oː | ||
| Open | a | aː | ||