| 139812 | Maia (Pila Dialect) | -nanaŋ | | | Z'graggen (1980) | tooth |
| 257027 | Magɨ | makɨ | | | Daniels (2016) | |
| 157334 | Madi | matai | | | McElhanon and Voorhoeve (1970) | tooth |
| 176807 | Lemio | meg | | | Z'graggen (1980) | tooth |
| 163607 | Lembena (Yariba Dialect) | nẽ | | | Davies and Comrie (1985) | tooth |
| 163606 | Lembena (Yariba Dialect) | ne | | | Davies and Comrie (1985) | tooth |
| 163597 | Lembena (Maibi Dialect) | 'neqŋge | | | Davies and Comrie (1985) | tooth |
| 163596 | Lembena | neenae | | | Davies and Comrie (1985) | tooth |
| 76205 | Lavukaleve | neo | tooth | | Tryon & Hackman (1983) | |
| 22990 | Lau | tiri | | | Voorhoeve (1975) | |
| 163598 | Kyenele (Miyak Dialect) | ŋandu | | | Davies and Comrie (1985) | tooth |
| 163591 | Kyenele (Kyaimbarang Dialect) | 'ŋandu | | | Davies and Comrie (1985) | tooth |
| 163592 | Kyaka | nenge | | | Davies and Comrie (1985) | tooth |
| 243409 | Kwoma | tarəkwi | | | Laycock (1968) | |
| 237679 | Kwoma | pu | | | Foley (2005) | |
| 22907 | Kwesten | or(nin) | | | Voorhoeve (1975) | |
| 23111 | Kwerisa | avəri | | | Voorhoeve (1975) | |
| 22626 | Kwerba (Airmati Dialect) | gwanə | | | Voorhoeve (1975) | |
| 22542 | Kwerba | kwan | | | Voorhoeve (1975) | |
| 24957 | Kurudu | romban | | | Voorhoeve (1975) | |
| 165869 | Kuot | laukima | | | Lindström (2008) | |
| 21976 | Kuni-Boazi | pakas | | | Voorhoeve (1975) | |
| 29850 | Kuni-Boazi | ḳɑi̯a | | | Voorhoeve (1970) | |
| 157376 | Kumukio | ezet | | | McElhanon and Voorhoeve (1970) | tooth |
| 744 | Kuman | siŋguno | | | Trefry (1969) | |
| 83320 | Kulsab | maka | | | Daniels (2010) | |
| 36404 | Kula | ŋwag'eyα | | | Stokhof (1975) | |
| 37692 | Kui (Kiramang Dialect) | nαw'ɛs | | | Stokhof (1975) | |
| 36170 | Kui | naw'ɛs | | | Stokhof (1975) | |
| 7157 | Kubo | mɔyɔ | | | Shaw (1986) | |
| 5685 | Kubo | moyo | | | Shaw (1973) | |
| 157320 | Kubo | mɔ̃yə̃ | | | McElhanon and Voorhoeve (1970) | tooth |
| 91535 | Kube | dzegl- | (its) tooth | | McElhanon (1967) | (its) tooth |
| 157381 | Kube | dzɩr | | | McElhanon and Voorhoeve (1970) | tooth |
| 139818 | Kowaki | nampa | | | Z'graggen (1980) | tooth |
| 157371 | Kovai | dzɔŋɔ | | | McElhanon and Voorhoeve (1970) | tooth |
| 33839 | Kosare | pɛki | | | Heeschen (1978) | |
| 19936 | Korapun-Sela | si | | | Voorhoeve (1975) | |
| 139809 | Korak | -kuniwa | | | Z'graggen (1980) | tooth |
| 55272 | Korafe (Rabade Dialect) | di[ka] | tooth | | Smallhorn (2011) | |
| 55271 | Korafe (Mokorua Dialect) | di[ka] | tooth | | Smallhorn (2011) | |
| 28259 | Korafe | diaka | | | Wilson (1969) | |
| 157407 | Korafe | diaka | | | McElhanon and Voorhoeve (1970) | tooth |
| 236093 | Kopar | asirap | | | Foley (2005) | |
| 235423 | Kopar | asirap | | | Foley (2005) | |
| 245358 | Kopar (Singarin Dialect) | 'iasɩřapʰ | | | SIL (1977) | |
| 240451 | Kopar (Singarin Dialect) | ˈiasɩr̃apʰ | | | Abbott (1985) | |
| 21295 | Koneraw | cire | | | Voorhoeve (1975) | |
| 22256 | Konda | unamu | | | Voorhoeve (1975) | |
| 16590 | Konai | mẽ | | | Shaw (1986) | |
