| 244500 | Olo | ketəf | | | Laycock (1968) | |
| 225025 | Alamblak | khərthath | | | Dye et al (1968) | |
| 225027 | Bahinemo | khī | | | Dye et al (1968) | |
| 225026 | Kapriman | khrumu | | | Dye et al (1968) | |
| 23241 | Doutai | ki | | | Voorhoeve (1975) | |
| 217749 | Waritai | ki^ | | | Clouse (1997) | |
| 217748 | Doutai | ki^ | | | Clouse (1997) | |
| 217750 | Kaiy | ki^ | | | Clouse (1997) | |
| 21986 | Kokoda (Tarof Dialect) | kibetia | | | Voorhoeve (1975) | |
| 231138 | Arandai (Tarof Dialect) | kibetia | | | Voorhoeve (1985) | |
| 231048 | Arandai (Kasuwer Dialect) | kibitia | | | Voorhoeve (1985) | |
| 22026 | Kokoda (Kasuweri Dialect) | kibitia | | | Voorhoeve (1975) | |
| 212356 | Proto-East-Tariku | *kiC | | | Clouse (1997) | |
| 199465 | Proto-East-Tariku | *kiC | | | Clouse (1993) | |
| 217752 | Obokuitai | kig̚ | | | Clouse (1997) | |
| 217754 | Sikaritai | kig̚jɛ | | | Clouse (1997) | |
| 23201 | Waritai | kii | | | Voorhoeve (1975) | |
| 23121 | Kaiy | kik | | | Voorhoeve (1975) | |
| 217753 | Eritai | kikaɾɛ | | | Clouse (1997) | |
| 23041 | Eritai | kikare | | | Voorhoeve (1975) | |
| 17897 | Fasu (Namumi Dialect) | kimusa | | | Shaw (1986) | |
| 2879 | Fasu (Namumi Dialect) | kimusa | | | Franklin and Voorhoeve (1973) | |
| 181142 | Yangulam | kinjaŋ | | | Z'graggen (1980) | black |
| 22146 | Duriankere | kipap | | | Voorhoeve (1975) | |
| 225309 | Bine (Drageli Dialect) | kiřiakiřia | | | Fleischmann and Turpeinen (1976) | |
| 224071 | Bine (Irupi Dialect) | kiřiakiřia | | | Fleischmann and Turpeinen (1976) | |
| 223654 | Bine (Sebe Dialect) | kiřiakiřia | | | Fleischmann and Turpeinen (1976) | |
| 2706 | Waboda | kirikiri'yo | | | Wurm (1973) | |
| 144091 | Pal | kiːriŋ | | | Z'graggen (1980) | (black) |
| 27158 | Ari | kisunapa | | | Reesink (1976) | |
| 193545 | Mum | kiːtr̃ | | | Z'graggen (1980) | black |
| 261261 | Yamben | kitun | | | Pick (2019) | black |
| 207853 | Proto-Trans-New-Guinea | *k(i,u)tuma | | | Ross (2014) | black |
| 244529 | Mende | kle | | | Laycock (1968) | |
| 193544 | Sileibi | kɨnzɨ | | | Z'graggen (1980) | black |
| 212588 | Proto-South-Adelbert | *kɨnzi | | | Ross (2014) | |
| 144078 | Maia (Pila Dialect) | koaw | | | Z'graggen (1980) | (black) |
| 1436 | West Kewa | kobere | | | Franklin and Voorhoeve (1973) | |
| 238200 | Bisis | kog̶om | | | SIL (1967) | |
| 26015 | Yelmek | kokol | | | Voorhoeve (1975) | |
| 244497 | One, Inebu | ko:li | | | Laycock (1968) | |
| 244499 | Seti | ko:liyo | | | Laycock (1968) | |
| 244498 | Seta | ko:liyo | | | Laycock (1968) | |
| 244507 | Wanap | koposəf | | | Laycock (1968) | |
| 244526 | Wogamusin | kor | | | Laycock (1968) | |
| 258991 | Motu | korema | | | Dutton (1970) | black |
| 202015 | Hiri Motu | kɔrɛmʌkɔrɛmʌ | | | SIL (1975) | |
| 76054 | Lavukaleve | korovisa | black | | Tryon & Hackman (1983) | |
| 23323 | Foau | koru | | | Voorhoeve (1975) | |
| 21746 | Karas | koskap | | | Voorhoeve (1975) | |
