| 1772 | Kamasa | (isa) kɨwa | | | Lloyd (1973) | |
| 156014 | Kamoro | ee | | | McElhanon and Voorhoeve (1970) | leaf |
| 27638 | Kamula | uba | | | Reesink (1976) | |
| 16571 | Kamula | upʌ | | | Shaw (1986) | |
| 237130 | Kanggape | pat | | | Foley (2005) | |
| 224813 | Kapriman | mutuwas | | | Dye et al (1968) | |
| 16471 | Kasua | i fʌlɔ | | | Shaw (1986) | |
| 2072 | Kasua | ifaro | | | Franklin and Voorhoeve (1973) | |
| 91352 | Kâte | rehac- | (its) leaf | | McElhanon (1967) | (its) leaf |
| 156112 | Kâte (Mâgobineng Dialect) | moreʔ | | | McElhanon and Voorhoeve (1970) | leaf |
| 156113 | Kâte (Wâmora Dialect) | lehaʔ | | | McElhanon and Voorhoeve (1970) | leaf |
| 156114 | Kâte (Wemo Dialect) | lehaʔ | | | McElhanon and Voorhoeve (1970) | leaf |
| 217370 | Kaure | be | | | Clouse (1997) | |
| 29410 | Kaure | kala | | | Voorhoeve (1971) | |
| 17528 | Kawacha | (iga)kwaya | | | Lloyd (1973) | |
| 29226 | Kayagar | xap | | | Voorhoeve (1971) | |
| 156050 | Kayagar | iri | | | McElhanon and Voorhoeve (1970) | leaf |
| 236814 | Kayan | rapar | | | Foley (2005) | |
| 4377 | Keoru-Ahia (Aheave Dialect) | korakoro | | | Brown (1973) | |
| 4167 | Keoru-Ahia | korakoro | | | Brown (1973) | |
| 6895 | Kerewo | paha | | | Wurm (1973) | |
| 6483 | Kibiri | ori | | | Wurm (1973) | |
| 156096 | Kinalakna | heo | | | McElhanon and Voorhoeve (1970) | leaf |
| 237132 | Kire | far | | | Foley (2005) | |
| 217359 | Kirikiri | sa | | | Clouse (1997) | |
| 217378 | Kirikiri | klu | | | Clouse (1997) | |
| 217358 | Kirikiri (Faia Dialect) | klu | | | Clouse (1997) | |
| 77537 | Klon | wei | | | Baird (2008) | |
| 77640 | Klon | etewei | | | Baird (2008) | |
| 35180 | Klon (Halerman Dialect) | way | | | Stokhof (1975) | |
| 35061 | Klon (Probur Dialect) | wɛy | | | Stokhof (1975) | |
| 163853 | Kobon | kʰʌϕ | | | Davies and Comrie (1985) | leaf |
| 14882 | Koitabu | hana-ka | leaf, hair (of head) | | Dutton (2010) | |
| 230614 | Kol | tamono | | | SIL (1981) | |
| 229623 | Kol | tamo̠na | | | SIL (1962) | |
| 156105 | Komba | isin | | | McElhanon and Voorhoeve (1970) | leaf |
| 91347 | Komba | iin- | (its) leaf | | McElhanon (1967) | (its) leaf |
| 148438 | Komba (Ândâ River Dialect) | ilumŋâ | | | Southwell (1976) | leaf |
| 148437 | Komba (Gwama River (North) Dialect) | ilumŋâ | | | Southwell (1976) | leaf |
| 148440 | Komba (Gwama River (South) Dialect) | ilumŋâ | | | Southwell (1976) | leaf |
| 148439 | Komba (Puleng River Dialect) | ilumŋâ | | | Southwell (1976) | leaf |
| 210794 | Komyandaret | ⁿdɔˌluˈjɔ | | | Hughes (2009) | |
| 16671 | Konai | hʌbe gwɔ | | | Shaw (1986) | |
| 245369 | Kopar (Singarin Dialect) | 'břiŋdan | | | SIL (1977) | |
| 240461 | Kopar (Singarin Dialect) | ˈbřiŋdan | | | Abbott (1985) | |
| 235490 | Kopar | nɨmbiraŋ | | | Foley (2005) | |
| 236160 | Kopar | nɨmbiraŋ | | | Foley (2005) | |
| 28271 | Korafe | ia gi | | | Wilson (1969) | |
| 51526 | Korafe (Rabade Dialect) | ['i]gi | leaf | | Smallhorn (2011) | |
| 210589 | Korowai | su: ɓe:ɾ̥ | | | Hughes (2009) | |
