| 144350 | Korak | kulel | | | Z'graggen (1980) | long |
| 210691 | Korowai | kɔb'dɑ | | | Hughes (2009) | |
| 210690 | Korowai | dɑ:l̪ | | | Hughes (2009) | |
| 33798 | Kosare | djubõ | long (way) | | Heeschen (1978) | |
| 144359 | Kowaki | seʔat | | | Z'graggen (1980) | long |
| 90779 | Kube | horua | long | | McElhanon (1967) | long |
| 158218 | Kube | horua | | | McElhanon and Voorhoeve (1970) | long |
| 5727 | Kubo | sago | | | Shaw (1973) | |
| 158165 | Kubo | kuga | | | McElhanon and Voorhoeve (1970) | long |
| 7199 | Kubo | sagɔ | | | Shaw (1986) | |
| 36249 | Kui | nαw-an | | | Stokhof (1975) | |
| 37771 | Kui (Kiramang Dialect) | l'ɔɔgɛʔ | | | Stokhof (1975) | |
| 36483 | Kula | l'impα | | | Stokhof (1975) | |
| 32599 | Kuman | olto | | | Salisbury (1956) | |
| 815 | Kuman | oll ̥to | | | Trefry (1969) | |
| 158213 | Kumukio | korep | | | McElhanon and Voorhoeve (1970) | long |
| 28608 | Kuni-Boazi | səkěɤɑpě | | | Voorhoeve (1970) | |
| 158173 | Kuni-Boazi (Boazi Dialect) | sekeǥapeg | | | McElhanon and Voorhoeve (1970) | long |
| 165956 | Kuot | laklakə | adj | | Lindström (2008) | |
| 158192 | Kutong (Sakam Dialect) | summi | | | McElhanon and Voorhoeve (1970) | long |
| 164960 | Kyaka | londe | | | Davies and Comrie (1985) | long |
| 164959 | Kyenele (Kyaimbarang Dialect) | papjgaɕa | | | Davies and Comrie (1985) | long |
| 164966 | Kyenele (Miyak Dialect) | papʌgasa | | | Davies and Comrie (1985) | long |
| 76091 | Lavukaleve | soasona | long | | Tryon & Hackman (1983) | |
| 164964 | Lembena | londonge | | | Davies and Comrie (1985) | long |
| 164965 | Lembena (Maibi Dialect) | ɽɔn'doŋk͑ | | | Davies and Comrie (1985) | long |
| 164972 | Lembena (Yariba Dialect) | ɽɔn'dɔŋk | | | Davies and Comrie (1985) | long |
| 181417 | Lemio | uroŋ | | | Z'graggen (1980) | long |
| 158178 | Madi | lɛoŋʌŋ | | | McElhanon and Voorhoeve (1970) | long |
| 256977 | Magɨ | garaŋ | | | Daniels (2016) | |
| 144353 | Maia (Pila Dialect) | weŋa | | | Z'graggen (1980) | long |
| 144354 | Maia (Saki Dialect) | yaŋina | | | Z'graggen (1980) | long |
| 75321 | Mailu | lauroro | | | Saville (1912) | |
| 86147 | Mailu (Asiaoro Dialect) | lauroro | | | Thomson (1975) | |
| 87517 | Mailu (Baibara Dialect) | lauroro | | | Thomson (1975) | |
| 86969 | Mailu (Borebo Dialect) | lauroro | | | Thomson (1975) | |
| 88339 | Mailu (Darava Dialect) | lauroro | | | Thomson (1975) | |
| 88065 | Mailu (Delebai Dialect) | aeata | | | Thomson (1975) | |
| 87243 | Mailu (Domara Dialect) | taeva | | | Thomson (1975) | |
| 87791 | Mailu (Geagea Dialect) | lauroro | | | Thomson (1975) | |
| 86421 | Mailu (Ilai Dialect) | aeata | | | Thomson (1975) | |
| 86695 | Mailu (Island Dialect) | lauroro | | | Thomson (1975) | |
| 221304 | Maiwa | yo'bu | | | SIL (1973) | |
| 36366 | Makasae | 'asan (O) lokide muit(e) | of time | | Stokhof (1975) | |
| 144352 | Mala | orwua | | | Z'graggen (1980) | long |
| 144347 | Malas | yumburet | | | Z'graggen (1980) | long |
| 181436 | Male | waligu | | | Z'graggen (1980) | long |
| 233169 | Mali (Arambum Dialect) | uyuǥa | | | SIL (1985) | |
| 233283 | Mali (Makunga Dialect) | aᵘlul | | | SIL (1985) | |
| 158203 | Mamaa | biagaŋ | | | McElhanon and Voorhoeve (1970) | long |
