| 139557 | Korak | -tino | | | Z'graggen (1980) | head |
| 19920 | Korapun-Sela | asak | | | Voorhoeve (1975) | |
| 210535 | Korowai | ʔɑ bi'ɑːn | | | Hughes (2009) | |
| 33789 | Kosare | potɔ´ | | | Heeschen (1978) | |
| 155115 | Kovai | buno | | | McElhanon and Voorhoeve (1970) | head |
| 139566 | Kowaki | -haniʔen | | | Z'graggen (1980) | head |
| 91619 | Kube | ogu- | (its) head | | McElhanon (1967) | (its) head |
| 155125 | Kube | oruh | | | McElhanon and Voorhoeve (1970) | head |
| 5680 | Kubo | wodiyo | | | Shaw (1973) | |
| 155052 | Kubo | odiu | | | McElhanon and Voorhoeve (1970) | head |
| 7152 | Kubo | wodio | | | Shaw (1986) | |
| 36154 | Kui | nαp'utur | | | Stokhof (1975) | |
| 37676 | Kui (Kiramang Dialect) | nαp'artu | | | Stokhof (1975) | |
| 36388 | Kula | ntαk'eyα | | | Stokhof (1975) | |
| 805 | Kuman | bɩtiɩno | | | Trefry (1969) | |
| 32550 | Kuman | bit-na | | | Salisbury (1956) | |
| 155120 | Kumukio | mam | | | McElhanon and Voorhoeve (1970) | head |
| 21960 | Kuni-Boazi | kawa | | | Voorhoeve (1975) | |
| 28585 | Kuni-Boazi | kawa | | | Voorhoeve (1970) | |
| 155068 | Kuni-Boazi (Boazi Dialect) | kawa | | | McElhanon and Voorhoeve (1970) | head |
| 165874 | Kuot | bukom | | | Lindström (2008) | |
| 24941 | Kurudu | du | | | Voorhoeve (1975) | |
| 155089 | Kutong (Sakam Dialect) | kubir | | | McElhanon and Voorhoeve (1970) | head |
| 22526 | Kwerba | napal | | | Voorhoeve (1975) | |
| 22610 | Kwerba (Airmati Dialect) | cuwara | | | Voorhoeve (1975) | |
| 23095 | Kwerisa | au | | | Voorhoeve (1975) | |
| 22891 | Kwesten | -bar | | | Voorhoeve (1975) | |
| 243244 | Kwoma | masək | | | Laycock (1968) | |
| 163039 | Kyaka | kyawa | | | Davies and Comrie (1985) | head |
| 163038 | Kyenele (Kyaimbarang Dialect) | ϕɔp∘ | | | Davies and Comrie (1985) | head |
| 163044 | Kyenele (Miyak Dialect) | ᵽop | | | Davies and Comrie (1985) | head |
| 22974 | Lau | bau | | | Voorhoeve (1975) | |
| 76234 | Lavukaleve | vatu | head | | Tryon & Hackman (1983) | |
| 163043 | Lembena | ondenge | | | Davies and Comrie (1985) | head |
| 163052 | Lembena (Yariba Dialect) | ɔn'dɛŋkʰ | | | Davies and Comrie (1985) | head |
| 176575 | Lemio | wai | | | Z'graggen (1980) | head |
| 155075 | Madi | tʌbo | | | McElhanon and Voorhoeve (1970) | head |
| 257017 | Magɨ | katam | | | Daniels (2016) | |
| 139560 | Maia (Pila Dialect) | -kum | | | Z'graggen (1980) | head |
| 139561 | Maia (Saki Dialect) | -kum | | | Z'graggen (1980) | head |
| 20241 | Mai Brat | ana | | | Voorhoeve (1975) | |
| 75236 | Mailu | moru | | | Saville (1912) | |
| 75234 | Mailu | uru | | | Saville (1912) | |
| 86044 | Mailu (Asiaoro Dialect) | moru | | | Thomson (1975) | |
| 87414 | Mailu (Baibara Dialect) | moru | | | Thomson (1975) | |
| 86866 | Mailu (Borebo Dialect) | ioru | | | Thomson (1975) | |
| 88236 | Mailu (Darava Dialect) | moru | | | Thomson (1975) | |
| 87962 | Mailu (Delebai Dialect) | moru | | | Thomson (1975) | |
| 87140 | Mailu (Domara Dialect) | moru | | | Thomson (1975) | |
| 87688 | Mailu (Geagea Dialect) | ioru | | | Thomson (1975) | |
