| 28718 | Dera (Amgotro Dialect) | kai | | | Voorhoeve (1971) | |
| 29652 | Dera (Moŋgowar Dialect) | kai | | | Voorhoeve (1971) | |
| 19307 | Dera | kai | | | Voorhoeve (1975) | |
| 208919 | Proto-Mabuso | *kaib(i) | | | Ross (2014) | fire |
| 214440 | Tause | kai^i | | | Clouse (1997) | |
| 214439 | Tause (Deirate Dialect) | kaji | | | Clouse (1997) | |
| 258284 | Hula | kalova | | | Dutton (1970) | fire |
| 184738 | Proto-Trans-New-Guinea | *kambu | | | Pawley (2005) | |
| 23839 | Pyu | kamie | | | Voorhoeve (1975) | |
| 34461 | Karon Dori | ka:n | | | Miedema & Welling (1985) | |
| 157120 | Yopno (Nokopo Dialect) | kandap | | | McElhanon and Voorhoeve (1970) | fire |
| 23365 | Damal | kanelep | | | Voorhoeve (1975) | |
| 214459 | Dani, Western | kani | | | Clouse (1997) | |
| 25744 | Mawes | kani | | | Voorhoeve (1975) | |
| 184736 | Proto-Trans-New-Guinea | *k(a,o)nd(a,u)p | | | Pawley (2005) | |
| 148566 | Komba (Ândâ River Dialect) | kârâp | | | Southwell (1976) | fire |
| 148568 | Komba (Gwama River (South) Dialect) | kârâp | | | Southwell (1976) | fire |
| 148565 | Komba (Gwama River (North) Dialect) | kârâp | | | Southwell (1976) | fire |
| 148567 | Komba (Puleng River Dialect) | kârâp | | | Southwell (1976) | fire |
| 258289 | Sinaugoro | karava | | | Dutton (1970) | fire |
| 207208 | Proto-Mabuso | *kare | | | Ross (2014) | fire |
| 157117 | Som | karʌp | | | McElhanon and Voorhoeve (1970) | fire |
| 213930 | Som | karʌp | | | SIL (1968) | |
| 157127 | Wantoat (Bam Dialect) | katʌp | | | McElhanon and Voorhoeve (1970) | fire |
| 157125 | Wantoat | katʌp | | | McElhanon and Voorhoeve (1970) | fire |
| 179674 | Rerau | kayaŋ | | | Z'graggen (1980) | fire |
| 214438 | Tause (Weirate Dialect) | kaye | | | Clouse (1997) | |
| 35442 | Bahasa Indonesia | kayu bakar | fire, firewood | | Stokhof (1975) | |
| 157130 | Mamaa | kʌdep | | | McElhanon and Voorhoeve (1970) | fire |
| 157132 | Finongan | kʌdep | | | McElhanon and Voorhoeve (1970) | fire |
| 157134 | Nimi | kʌdʌp | | | McElhanon and Voorhoeve (1970) | fire |
| 157133 | Gusan | kʌdʌp | | | McElhanon and Voorhoeve (1970) | fire |
| 214451 | Biritai | ke | | | Clouse (1997) | |
| 179666 | Sop | ke:b | | | Z'graggen (1980) | fire |
| 211829 | Proto-Rai-Coast | *kebi | | | Ross (2014) | |
| 75686 | Savosavo | keda | | | Wegener (2011) | |
| 25864 | Mekwei | kei-sini | | | Voorhoeve (1975) | |
| 179669 | Danaru | kembi | | | Z'graggen (1980) | fire |
| 209248 | Proto-South-Adelbert | *kembi | | | Ross (2014) | fire |
| 209518 | Proto-Croisilles | *kembi | | | Ross (2014) | fire |
| 157121 | Domung | kʌɛp | | | McElhanon and Voorhoeve (1970) | fire |
| 237629 | Yessan-Mayo | k-er | | | Foley (2005) | |
| 244100 | Yessan-Mayo | kər | | | Laycock (1968) | |
| 244101 | Yessan-Mayo (Warasai Dialect) | kər | | | Laycock (1968) | |
| 2628 | Waboda | kera | | | Wurm (1973) | |
| 157092 | Waboda | kera | | | McElhanon and Voorhoeve (1970) | fire |
| 159877 | Waboda | kera | | | McElhanon and Voorhoeve (1970) | fire |
| 4322 | Keoru-Ahia (Aheave Dialect) | kere | | | Brown (1973) | |
| 218068 | Binahari | kɛu | | | SIL (1985) | |
| 200508 | Wagi (Kamba Dialect) | kɛv | | | Spencer et al. (2011) | |
