| 5716 | Kubo | tofe | | | Shaw (1973) | |
| 91381 | Kube | gete- | (its) root | | McElhanon (1967) | (its) root |
| 142424 | Kowaki | ir̃ | | | Z'graggen (1980) | root |
| 33823 | Kosare | pᵊ'rɩsi | | | Heeschen (1978) | |
| 210590 | Korowai | dɜ'wu:n | | | Hughes (2009) | |
| 142415 | Korak | uker | | | Z'graggen (1980) | root |
| 53416 | Korafe (Rabade Dialect) | be'sisi | root of tree | | Smallhorn (2011) | |
| 28270 | Korafe | be sisi | | | Wilson (1969) | |
| 16621 | Konai | hʌbe tʌfʌlʌ | | | Shaw (1986) | |
| 210795 | Komyandaret | ⁿdɔˌluˈdi: | | | Hughes (2009) | |
| 148443 | Komba (Puleng River Dialect) | ândâŋâ | | | Southwell (1976) | root |
| 148444 | Komba (Gwama River (South) Dialect) | ândâŋâ | | | Southwell (1976) | root |
| 148441 | Komba (Gwama River (North) Dialect) | ândâŋâ | | | Southwell (1976) | root |
| 148442 | Komba (Ândâ River Dialect) | ândâŋâ | | | Southwell (1976) | root |
| 91375 | Komba | âdâŋ- | (its) root | | McElhanon (1967) | (its) root |
| 229615 | Kol | kɛřo̠go | | | SIL (1962) | |
| 230613 | Kol | ki'erogo | | | SIL (1981) | |
| 15597 | Koitabu | umu-ka | root, base | | Dutton (2010) | |
| 196197 | Kobon | jajö | + | | Pawley (2013) | |
| 163830 | Kobon | 'kʰɨndɨɺ | | | Davies and Comrie (1985) | root |
| 196198 | Kobon | k+d+ɫ | + | | Pawley (2013) | |
| 142429 | Kobol | turum | | | Z'graggen (1980) | root |
| 35070 | Klon (Probur Dialect) | 'irik | | | Stokhof (1975) | |
| 35205 | Klon (Halerman Dialect) | αr'ik- | | | Stokhof (1975) | |
| 35189 | Klon (Halerman Dialect) | tɔr'üp | | | Stokhof (1975) | |
| 77719 | Klon | irik | | | Baird (2008) | |
| 224036 | Kirikiri | tu | | | Clouse (1997) | |
| 6433 | Kibiri | kubi apa | | | Wurm (1973) | |
| 33338 | Keuw | spóol-yò | | | Kamholz (2012) | |
| 33577 | Ketengban | aten | | | Heeschen (1978) | |
| 179430 | Kesawai | kinine | | | Z'graggen (1980) | root |
| 6846 | Kerewo | hɛpi | | | Wurm (1973) | |
| 4117 | Keoru-Ahia | kora elele | | | Brown (1973) | |
| 4327 | Keoru-Ahia (Aheave Dialect) | elele | | | Brown (1973) | |
| 123325 | Kein | ginip | | | Z'graggen (1980) | root |
| 17478 | Kawacha | saapinga | | | Lloyd (1973) | |
| 29427 | Kaure | tisi | | | Voorhoeve (1971) | |
| 91380 | Kâte | gâtâ- | (its) root | | McElhanon (1967) | (its) root |
| 2022 | Kasua | warofo | | | Franklin and Voorhoeve (1973) | |
| 16421 | Kasua | warɔfɔ | | | Shaw (1986) | |
| 123322 | Kare | siŋgi | | | Z'graggen (1980) | root |
| 224809 | Kapriman | mɩnɩniva | | | Dye et al (1968) | |
| 16521 | Kamula | tɔľɔsʌ:ľɔ | | | Shaw (1986) | |
| 27351 | Kamula | dřusařo | | | Reesink (1976) | |
| 1722 | Kamasa | pavapa (vogo) | | | Lloyd (1973) | |
| 74023 | Kamano | (ä)räfú'na | | | Scott (1978) | |
| 38014 | Kamang (Pido 2 Dialect) | αl'i | | | Stokhof (1975) | |
| 38248 | Kamang (Pido 1 Dialect) | al’'i | | | Stokhof (1975) | |
| 38366 | Kamang (Letley Dialect) | αl'ii | | | Stokhof (1975) | |
| 38600 | Kamang (Langkuru Dialect) | 'αli | | | Stokhof (1975) | |
