| 240447 | Kopar (Singarin Dialect) | ˈauř | | | Abbott (1985) | |
| 236040 | Kopar | awr | | | Foley (2005) | |
| 235370 | Kopar | awr | | | Foley (2005) | |
| 28254 | Korafe | aƀaraka | | | Wilson (1969) | |
| 50279 | Korafe (Rabade Dialect) | a'βa[raka] | fire | | Smallhorn (2011) | |
| 142644 | Korak | tamako | | | Z'graggen (1980) | fire |
| 159864 | Korapun-Sela | uk | | | McElhanon and Voorhoeve (1970) | fire |
| 19915 | Korapun-Sela | uk | | | Voorhoeve (1975) | |
| 210625 | Korowai | mə'l̪i:ɾ̥ | | | Hughes (2009) | |
| 33780 | Kosare | sá | | | Heeschen (1978) | |
| 157141 | Kovai | puŋ | | | McElhanon and Voorhoeve (1970) | fire |
| 142653 | Kowaki | muntetat | | | Z'graggen (1980) | fire |
| 25486 | Kowiai | labi | | | Voorhoeve (1975) | |
| 157153 | Kube | geriʔ | | | McElhanon and Voorhoeve (1970) | fire |
| 157084 | Kubo | dow | firewood | | McElhanon and Voorhoeve (1970) | fire |
| 159866 | Kubo | dow | | | McElhanon and Voorhoeve (1970) | fire |
| 5711 | Kubo | dou | | | Shaw (1973) | |
| 157079 | Kubo | dow | | | McElhanon and Voorhoeve (1970) | fire |
| 7183 | Kubo | dɔu | | | Shaw (1986) | |
| 36191 | Kui | ar | fire, firewood | | Stokhof (1975) | |
| 37713 | Kui (Kiramang Dialect) | ʔar | fire, firewood | | Stokhof (1975) | |
| 36425 | Kula | ad'a(yα) | fire, firewood | | Stokhof (1975) | |
| 32569 | Kuman | baugl | | | Salisbury (1956) | |
| 682 | Kuman | doŋga | | | Trefry (1969) | |
| 157148 | Kumukio | konop | | | McElhanon and Voorhoeve (1970) | fire |
| 21955 | Kuni-Boazi | geynam | | | Voorhoeve (1975) | |
| 28570 | Kuni-Boazi | gei̯na | tree, fire | | Voorhoeve (1970) | |
| 157095 | Kuni-Boazi (Boazi Dialect) | te | | | McElhanon and Voorhoeve (1970) | fire |
| 166049 | Kuot | kit | (AN? Lavongai kut) | | Lindström (2008) | |
| 24964 | Kurudu | arom | | | Voorhoeve (1975) | |
| 24936 | Kurudu | adia | | | Voorhoeve (1975) | |
| 157116 | Kutong (Sakam Dialect) | kʌip | | | McElhanon and Voorhoeve (1970) | fire |
| 22549 | Kwerba | ser | | | Voorhoeve (1975) | |
| 22521 | Kwerba | hel | | | Voorhoeve (1975) | |
| 22605 | Kwerba (Airmati Dialect) | sida | | | Voorhoeve (1975) | |
| 23090 | Kwerisa | kwe | | | Voorhoeve (1975) | |
| 22886 | Kwesten | tin | | | Voorhoeve (1975) | |
| 237633 | Kwoma | hi | | | Foley (2005) | |
| 244107 | Kwoma | hi: | | | Laycock (1968) | |
| 163471 | Kyaka | isare | | | Davies and Comrie (1985) | fire |
| 163470 | Kyenele (Kyaimbarang Dialect) | mɨn | | | Davies and Comrie (1985) | fire |
| 163477 | Kyenele (Miyak Dialect) | mɨn | | | Davies and Comrie (1985) | fire |
| 22969 | Lau | ba | | | Voorhoeve (1975) | |
| 76227 | Lavukaleve | lake | fire | | Tryon & Hackman (1983) | |
| 163475 | Lembena | isate | | | Davies and Comrie (1985) | fire |
| 163476 | Lembena (Maibi Dialect) | sa:ɽɛ | | | Davies and Comrie (1985) | fire |
| 163485 | Lembena (Yariba Dialect) | i'sat (ɛ) | | | Davies and Comrie (1985) | fire |
| 179661 | Lemio | fie | | | Z'graggen (1980) | fire |
| 157098 | Madi | dit | | | McElhanon and Voorhoeve (1970) | fire |
| 159871 | Madi | dit | | | McElhanon and Voorhoeve (1970) | fire |
