| 20603 | Kayagar | owpm | | | Voorhoeve (1975) | |
| 236804 | Kayan | sabrit | | | Foley (2005) | |
| 121483 | Kein | ulig | | | Z'graggen (1980) | hair |
| 21839 | Kemberano | watunu | | | Voorhoeve (1975) | |
| 25908 | Kemtuik | dop | | | Voorhoeve (1975) | |
| 4292 | Keoru-Ahia (Aheave Dialect) | harokoro | | | Brown (1973) | |
| 4082 | Keoru-Ahia | haro koro | | | Brown (1973) | |
| 6811 | Kerewo | hoʔobo | | | Wurm (1973) | |
| 177747 | Kesawai | ru | | | Z'graggen (1980) | hair |
| 33632 | Ketengban | potong | | | Heeschen (1978) | |
| 6398 | Kibiri | kimi kuro | | | Wurm (1973) | |
| 19754 | Kimaghima | muna | | | Voorhoeve (1975) | |
| 156289 | Kinalakna | dzup | | | McElhanon and Voorhoeve (1970) | hair |
| 237118 | Kire | rugun | | | Foley (2005) | |
| 212649 | Kirikiri | ta-kɾu^ | | | Clouse (1997) | |
| 212648 | Kirikiri (Faia Dialect) | ta-kɾu | | | Clouse (1997) | |
| 35088 | Klon (Halerman Dialect) | kɛl'ɔr | | | Stokhof (1975) | |
| 34969 | Klon (Probur Dialect) | n'ɛttu kər'id | | | Stokhof (1975) | |
| 140762 | Kobol | imi | | | Z'graggen (1980) | hair |
| 163013 | Kobon | u'maŋʌ | | | Davies and Comrie (1985) | hair |
| 196100 | Kobon | wiŋ | - | | Pawley (2013) | |
| 196099 | Kobon | uŋ | - | | Pawley (2013) | |
| 14904 | Koitabu | homo-ka | hair | | Dutton (2010) | |
| 22039 | Kokoda (Kasuweri Dialect) | -atunu | | | Voorhoeve (1975) | |
| 21999 | Kokoda (Tarof Dialect) | watunumo | | | Voorhoeve (1975) | |
| 229585 | Kol | komɔʔ kalɛane | | | SIL (1962) | |
| 231991 | Kol | 'komɒ | | | SIL (1981) | |
| 156298 | Komba | sʌmot | | | McElhanon and Voorhoeve (1970) | hair |
| 90941 | Komba | sâmot- | (its) hair | | McElhanon (1967) | (its) hair |
| 148678 | Komba (Ândâ River Dialect) | sâmot | | | Southwell (1976) | hair |
| 148677 | Komba (Gwama River (North) Dialect) | sâmot | | | Southwell (1976) | hair |
| 148680 | Komba (Gwama River (South) Dialect) | sâmot | | | Southwell (1976) | hair |
| 148679 | Komba (Puleng River Dialect) | sâmot | | | Southwell (1976) | hair |
| 201591 | Kombai | xɑlo | | | Voorhoeve (2000) | |
| 210742 | Komyandaret | ʔæbjæ ɸuʔ | | | Hughes (2009) | |
| 16586 | Konai | wudio towe | | | Shaw (1986) | |
| 22239 | Konda | sinamu | | | Voorhoeve (1975) | |
| 21278 | Koneraw | cin | | | Voorhoeve (1975) | |
| 245334 | Kopar (Singarin Dialect) | 'dwař | | | SIL (1977) | |
| 240425 | Kopar (Singarin Dialect) | ˈdwar | | | Abbott (1985) | |
| 235469 | Kopar | ruar | | | Foley (2005) | |
| 236139 | Kopar | ruar | | | Foley (2005) | |
| 28237 | Korafe | bio | | | Wilson (1969) | |
| 140743 | Korak | -munɛ | | | Z'graggen (1980) | hair |
| 19919 | Korapun-Sela | asuŋ | | | Voorhoeve (1975) | |
| 210536 | Korowai | ʔɑbi'ɑ:n 'tu:s̪ | | | Hughes (2009) | |
| 33787 | Kosare | potɔi | | | Heeschen (1978) | |
| 140757 | Kowaki | imi | | | Z'graggen (1980) | hair |
| 90947 | Kube | dzu- | (its) hair | | McElhanon (1967) | (its) hair |
| 156295 | Kube | dzu | | | McElhanon and Voorhoeve (1970) | hair |
