나무이어의 자음은 총 44개이다.
| Bilabial | stop | p p_h b |
| Alveolar | stop | tt_h d |
| Velar | stop | k k_h g |
| Uvular | stop | q q_h G |
| Alveolar | Sibilant affricate | ts ts_h dz |
| Retroflex | Sibilant affricate | ʈʂ ʈʂ_h ɖʐ |
| Alveolo-palatal | Sibilant affricate | tɕ dʑ |
| Bilabial | Nasal | m |
| Alveolar | stop | n |
| Retroflex | nasal | ɳ̊ |
| Velar | stop | ŋ |
| Alveolar | Trill | r r̥ ̥ |
| Alveolar | lateral approximant | l |
| Alveolar | Lateral fricative | ɬ |
| Labiodental | Non-sibilant fricative | f v |
| Alveolar | Sibilant fricative | s z |
| Retroflex | Sibilant fricative | ʂ ʐ |
| Alveolo- palatal | Sibilant fricative | ɕ |