| 208173 | Proto-North-Adelbert | *koyan | | | Ross (2014) | white |
| 7201 | Kubo | kɔwɔkɔ | | | Shaw (1986) | |
| 5729 | Kubo | kowoko | | | Shaw (1973) | |
| 198382 | Bo | koune | | | Conrad and Dye (1975) | |
| 30652 | Tofanma | kosei | | | Voorhoeve (1971) | |
| 33604 | Ketengban | korun | | | Heeschen (1978) | |
| 33956 | Yale, Korsarek | kororupne | | | Heeschen (1978) | |
| 181182 | Watiwa | korgu | | | Z'graggen (1980) | white |
| 30079 | Sawi | korai | | | Voorhoeve (1971) | |
| 30409 | Tamagario | koprap | | | Voorhoeve (1971) | |
| 29265 | Kayagar | koprap | | | Voorhoeve (1971) | |
| 29362 | Atohwaim | kopor | | | Voorhoeve (1971) | |
| 244470 | Yis | koplafane | | | Laycock (1968) | |
| 193601 | Faita | koniri | | | Z'graggen (1980) | white |
| 91051 | Dedua | koŋak | white | | McElhanon (1967) | white |
| 218339 | Migabac | koŋac | | | SIL (1975) | |
| 196313 | Kobon | koŋ | + | | Pawley (2013) | |
| 232473 | Ambakich (Agurant Dialect) | konatʃ | | | Potter et al (2008) | |
| 232941 | Ambakich (Arango Dialect) | konatʃ | | | Potter et al (2008) | |
| 232785 | Ambakich (Pangin Dialect) | konatʃ | | | Potter et al (2008) | |
| 244495 | Namia | kom | | | Laycock (1968) | |
| 74865 | Benabena | kohólina | | | Scott (1978) | |
| 217664 | Fayu | kɔhɔ | | | Clouse (1997) | |
| 228978 | Unknown (possibly Konomala) | 'kʰɔfɔ | | | SIL () | |
| 6344 | Angaataha | ko'epɨ- | | | Lloyd (1973) | |
| 181176 | Sinsauru | kobunʌp | | | Z'graggen (1980) | white |
| 181178 | Asas | kobonab | | | Z'graggen (1980) | white |
| 181184 | Migum | kʌo | | | Z'graggen (1980) | white |
| 222977 | Yaqay (Rayam Dialect) | kɑmurɑp̚ | | | Kriens & Lebold (2010) | |
| 220387 | Yaqay (Kogo Dialect) | kɑmurɑpʰ | | | Kriens & Lebold (2010) | |
| 16534 | Kamula | kʌmʌle | | | Shaw (1986) | |
| 238041 | Biwat | kliak | | | SIL (1975) | |
| 37787 | Kui (Kiramang Dialect) | kʋl | | | Stokhof (1975) | |
| 144132 | Korak | kʌkiʌk | | | Z'graggen (1980) | (white) |
| 193594 | Apali | kʉki | | | Z'graggen (1980) | white |
| 74876 | Siane | kíyobá | | | Scott (1978) | |
| 244486 | Awtuw | kiwokwo | | | Laycock (1968) | |
| 751 | Kuman | kiruo | | | Trefry (1969) | |
| 257105 | Magɨ | kikɨ | | | Daniels (2016) | |
| 164869 | Kyenele (Miyak Dialect) | kʰʌǏiak | | | Davies and Comrie (1985) | white |
| 74864 | Benabena | kigopa | | | Scott (1978) | |
| 125291 | Wamas | kiʌːgi | | | Z'graggen (1980) | white |
| 125296 | Mosimo | kiʌgi | | | Z'graggen (1980) | white |
| 181195 | Danaru | kiɛndi | | | Z'graggen (1980) | white |
| 144154 | Amaimon | kias | | | Z'graggen (1980) | (white) |
| 181192 | Sop | kiaG | | | Z'graggen (1980) | white |
| 144138 | Mauwake | kiʌ | | | Z'graggen (1980) | (white) |
| 244471 | Au | kəxeika | | | Laycock (1968) | |
| 164876 | Lembena (Yariba Dialect) | k͑ɛ'waŋk͑ | | | Davies and Comrie (1985) | white |
| 164868 | Lembena (Maibi Dialect) | ke'waŋge | | | Davies and Comrie (1985) | white |
