| 6840 | Kerewo | akábu | | | Wurm (1973) | |
| 179920 | Kesawai | keti | | | Z'graggen (1980) | mountain |
| 33564 | Ketengban | motokwe | | | Heeschen (1978) | |
| 33300 | Keuw | káil-yò | | | Kamholz (2012) | |
| 6427 | Kibiri | aburi | | | Wurm (1973) | |
| 215508 | Kirikiri | kɛɾie | | | Clouse (1997) | |
| 215507 | Kirikiri (Faia Dialect) | kərie | | | Clouse (1997) | |
| 35138 | Klon (Halerman Dialect) | buk- | | | Stokhof (1975) | |
| 35019 | Klon (Probur Dialect) | buk- | | | Stokhof (1975) | |
| 142916 | Kobol | haboŋgoŋ | | | Z'graggen (1980) | mountain |
| 164539 | Kobon | nʌ 'ilʌ | | | Davies and Comrie (1985) | mountain |
| 196149 | Kobon | dum | + | | Pawley (2013) | |
| 196150 | Kobon | ɩlö | + | | Pawley (2013) | |
| 232004 | Kol | 'gunɒ | | | SIL (1981) | |
| 91305 | Komba | bakŋa | mountain | | McElhanon (1967) | mountain |
| 148398 | Komba (Ândâ River Dialect) | bakŋâ | | | Southwell (1976) | mountain |
| 148397 | Komba (Gwama River (North) Dialect) | bakŋâ | | | Southwell (1976) | mountain |
| 148400 | Komba (Gwama River (South) Dialect) | bakŋâ | | | Southwell (1976) | mountain |
| 148399 | Komba (Puleng River Dialect) | bakŋâ | | | Southwell (1976) | mountain |
| 210831 | Komyandaret | ˈɸæniʔ | | | Hughes (2009) | |
| 16615 | Konai | bĩtoŋ | | | Shaw (1986) | |
| 245414 | Kopar (Singarin Dialect) | 'pʰantʰam | | | SIL (1977) | |
| 240500 | Kopar (Singarin Dialect) | ˈpʰantʰam | | | Abbott (1985) | |
| 52277 | Korafe (Mokorua Dialect) | d[or]iri | mountain (inland) | | Smallhorn (2011) | |
| 52278 | Korafe (Rabade Dialect) | d[o'r]iri | mountain | | Smallhorn (2011) | |
| 142901 | Korak | iritam | | | Z'graggen (1980) | mountain |
| 210629 | Korowai | ɸæ'ni:ɸ | | | Hughes (2009) | |
| 33811 | Kosare | kõ | | | Heeschen (1978) | |
| 142911 | Kowaki | haupin | | | Z'graggen (1980) | mountain |
| 91311 | Kube | boŋa | mountain | | McElhanon (1967) | mountain |
| 5710 | Kubo | to̧fo̧ | | | Shaw (1973) | |
| 7182 | Kubo | gɔwufɔda | | | Shaw (1986) | |
| 36206 | Kui | ndɔl | | | Stokhof (1975) | |
| 37728 | Kui (Kiramang Dialect) | ukk'itα | | | Stokhof (1975) | |
| 36440 | Kula | αt''akul'impa | | | Stokhof (1975) | |
| 32575 | Kuman | mulo | | | Salisbury (1956) | |
| 821 | Kuman | magan mugɬo | | | Trefry (1969) | |
| 164541 | Kyaka | yuu kyau | | | Davies and Comrie (1985) | mountain |
| 164540 | Kyenele (Kyaimbarang Dialect) | ɽäm | | | Davies and Comrie (1985) | mountain |
| 164547 | Kyenele (Miyak Dialect) | lam | | | Davies and Comrie (1985) | mountain |
| 164545 | Lembena | mandaka | | | Davies and Comrie (1985) | mountain |
| 164546 | Lembena (Maibi Dialect) | 'sa.u | | | Davies and Comrie (1985) | mountain |
| 164553 | Lembena (Yariba Dialect) | man'da𝒳 | | | Davies and Comrie (1985) | mountain |
| 179926 | Lemio | pumu | | | Z'graggen (1980) | mountain |
| 257103 | Magɨ | param | | | Daniels (2016) | |
| 142904 | Maia (Pila Dialect) | mundoa | | | Z'graggen (1980) | mountain |
| 142905 | Maia (Saki Dialect) | umundʌ | | | Z'graggen (1980) | mountain |
| 86098 | Mailu (Asiaoro Dialect) | oro | | | Thomson (1975) | |
| 87468 | Mailu (Baibara Dialect) | oro | | | Thomson (1975) | |
| 86920 | Mailu (Borebo Dialect) | oro | | | Thomson (1975) | |
