| 15546 | Koitabu | (to) tete-ka | (dog's) tail | | Dutton (2010) | |
| 164316 | Kobon | d̮ʑoɺ | | | Davies and Comrie (1985) | tail |
| 196255 | Kobon | hɨɫ | - (of bird) | | Pawley (2013) | |
| 196256 | Kobon | amɨn | - (of dog_ | | Pawley (2013) | |
| 141188 | Kobol | orene | | | Z'graggen (1980) | (dog's) tail |
| 141012 | Kobol | isaimi | | | Z'graggen (1980) | (bird's) tail |
| 77623 | Klon | òr | | | Baird (2008) | |
| 77642 | Klon | gòrkei | | | Baird (2008) | |
| 218753 | Kirikiri (Faia Dialect) | fu | | | Clouse (1997) | |
| 218754 | Kirikiri | fuo | | | Clouse (1997) | |
| 19770 | Kimaghima | kumbu | | | Voorhoeve (1975) | |
| 6436 | Kibiri | kumi duro | | | Wurm (1973) | |
| 33386 | Keuw | myóol-yò | | | Kamholz (2012) | |
| 33593 | Ketengban | amngwe | | | Heeschen (1978) | |
| 178181 | Kesawai | tɔr̃un | | | Z'graggen (1980) | tail (of dog) |
| 178002 | Kesawai | turunɛ | | | Z'graggen (1980) | tail (of bird) |
| 6849 | Kerewo | wapo | | | Wurm (1973) | |
| 4120 | Keoru-Ahia | eu'e | | | Brown (1973) | |
| 4330 | Keoru-Ahia (Aheave Dialect) | eive | | | Brown (1973) | |
| 25924 | Kemtuik | sat | | | Voorhoeve (1975) | |
| 21855 | Kemberano | erukwai | | | Voorhoeve (1975) | |
| 121800 | Kein | bitotow | | | Z'graggen (1980) | tail (birds) |
| 121769 | Kein | bitotow | | | Z'graggen (1980) | tail (bird) |
| 121989 | Kein | ujag | | | Z'graggen (1980) | tail |
| 20619 | Kayagar | kafie | | | Voorhoeve (1975) | |
| 29255 | Kayagar | kafie | | | Voorhoeve (1971) | |
| 17481 | Kawacha | fasia | | | Lloyd (1973) | |
| 19448 | Kaure | buai | | | Voorhoeve (1975) | |
| 29441 | Kaure | aeidja | | | Voorhoeve (1971) | |
| 218765 | Kaure | buay | | | Clouse (1997) | |
| 91562 | Kâte | gec- | (its) tail | | McElhanon (1967) | (its) tail |
| 2025 | Kasua | itiame | | | Franklin and Voorhoeve (1973) | |
| 16424 | Kasua | itiame | | | Shaw (1986) | |
| 23619 | Karon Dori | sawiax | | | Voorhoeve (1975) | |
| 34481 | Karon Dori | sawyax | | | Miedema & Welling (1985) | |
| 121986 | Kare | ɔːsa | | | Z'graggen (1980) | tail |
| 121766 | Kare | siːrugu | | | Z'graggen (1980) | tail (bird) |
| 121797 | Kare | si:rugu | | | Z'graggen (1980) | tail (birds) |
| 21775 | Karas | orum | | | Voorhoeve (1975) | |
| 224912 | Kapriman | ningyɛvu | | | Dye et al (1968) | |
| 19570 | Kapauri | sabaro | | | Voorhoeve (1975) | |
| 21060 | Kanum | pe:ku | | | Voorhoeve (1975) | |
| 27354 | Kamula | tilɛ (ɩ) | | | Reesink (1976) | |
| 16524 | Kamula | tilɛ | | | Shaw (1986) | |
| 21374 | Kamoro | mipi | | | Voorhoeve (1975) | |
| 21414 | Kamberau | eheʔera | | | Voorhoeve (1975) | |
| 32295 | Kambaira | a'mendi | | | SIL () | |
| 1725 | Kamasa | sɨwana | | | Lloyd (1973) | |
| 74456 | Kamano | (ä)rísona | | | Scott (1978) | |
| 3282 | Kaluli | wafi | (?) | | Franklin and Voorhoeve (1973) | |
