| 33195 | Keuw | túulí-yò | | | Kamholz (2012) | |
| 6407 | Kibiri | ei | | | Wurm (1973) | |
| 158634 | Kinalakna | namu | | | McElhanon and Voorhoeve (1970) | breast |
| 237074 | Kire | ta | | | Foley (2005) | |
| 213379 | Kirikiri | tu | | | Clouse (1997) | |
| 213378 | Kirikiri (Faia Dialect) | tu | | | Clouse (1997) | |
| 77612 | Klon | duut | | | Baird (2008) | |
| 35106 | Klon (Halerman Dialect) | nid'ut | | | Stokhof (1975) | |
| 140429 | Kobol | mʌːm | | | Z'graggen (1980) | breast |
| 163616 | Kobon | t̮ɕI | | | Davies and Comrie (1985) | breast |
| 196002 | Kobon | rul | + | | Pawley (2013) | |
| 14611 | Koitabu | amu | breast (of woman), milk | | Dutton (2010) | |
| 230383 | Kol | 'tombo | | | SIL (1981) | |
| 229613 | Kol | to̠to la̠nɛ | | | SIL (1962) | |
| 90661 | Komba | nam- | breast | | McElhanon (1967) | breast |
| 158643 | Komba | dimʌ | | | McElhanon and Voorhoeve (1970) | breast |
| 148518 | Komba (Ândâ River Dialect) | dimâŋâ | | | Southwell (1976) | breast |
| 148517 | Komba (Gwama River (North) Dialect) | dimâŋâ | | | Southwell (1976) | breast |
| 148520 | Komba (Gwama River (South) Dialect) | dimâŋâ | | | Southwell (1976) | breast |
| 148519 | Komba (Puleng River Dialect) | dimâŋâ | | | Southwell (1976) | breast |
| 201565 | Kombai | ɑm | | | Voorhoeve (2000) | |
| 210754 | Komyandaret | ʔæ: | | | Hughes (2009) | |
| 16595 | Konai | bu | | | Shaw (1986) | |
| 235416 | Kopar | niŋgin | | | Foley (2005) | |
| 236086 | Kopar | niŋgin | | | Foley (2005) | |
| 158666 | Korafe | ami | | | McElhanon and Voorhoeve (1970) | breast |
| 28260 | Korafe | ami | | | Wilson (1969) | |
| 48466 | Korafe (Mokorua Dialect) | 'aami | breast (of woman) | | Smallhorn (2011) | |
| 48467 | Korafe (Rabade Dialect) | 'ami | breast (of woman) | | Smallhorn (2011) | |
| 140414 | Korak | ʌm | | | Z'graggen (1980) | breast |
| 210548 | Korowai | ʔæm | | | Hughes (2009) | |
| 33763 | Kosare | kó kakò | | | Heeschen (1978) | |
| 158630 | Kovai | suyo | | | McElhanon and Voorhoeve (1970) | breast |
| 140423 | Kowaki | mɛ | | | Z'graggen (1980) | breast |
| 90667 | Kube | namu- | breast | | McElhanon (1967) | breast |
| 158640 | Kube | namu | | | McElhanon and Voorhoeve (1970) | breast |
| 5690 | Kubo | bu | | | Shaw (1973) | |
| 158573 | Kubo | bu | | | McElhanon and Voorhoeve (1970) | breast |
| 7162 | Kubo | bu | | | Shaw (1986) | |
| 36174 | Kui | n'αsu | | | Stokhof (1975) | |
| 37696 | Kui (Kiramang Dialect) | n'ɛsu | | | Stokhof (1975) | |
| 36408 | Kula | ŋniyαm'eyα | | | Stokhof (1975) | |
| 32557 | Kuman | amu-na | | | Salisbury (1956) | |
| 664 | Kuman | amuno | | | Trefry (1969) | |
| 158635 | Kumukio | namu | | | McElhanon and Voorhoeve (1970) | breast |
| 28085 | Kuni-Boazi | tětě | | | Voorhoeve (1970) | |
| 158583 | Kuni-Boazi (Boazi Dialect) | toto | | | McElhanon and Voorhoeve (1970) | breast |
| 165907 | Kuot | sisima | (AN loan) | | Lindström (2008) | |
| 158606 | Kutong (Sakam Dialect) | mom | | | McElhanon and Voorhoeve (1970) | breast |
| 243532 | Kwoma | muk | | | Laycock (1968) | |
