| 206961 | Proto-North-Adelbert | *k(i,u)ki | | | Ross (2014) | new |
| 82984 | Proto-Sogeram | *kɨki | | | Daniels (2010) | |
| 82985 | Proto-Central-Sogeram | *kɨki | | | Daniels (2010) | |
| 193789 | Apali | kʉki | | | Z'graggen (1980) | new |
| 193780 | Sileibi | kʉndəwᵘ | | | Z'graggen (1980) | new |
| 29981 | Zimakani (South Boazi Dialect) | ḳɑndi | new (of house) | | Voorhoeve (1970) | |
| 246010 | Tabriak | kʌndʌmam | | | SIL (1967) | |
| 155573 | Pare | koãrɛ̃ | | | McElhanon and Voorhoeve (1970) | new |
| 198976 | Nakame (Wasin Dialect) | kobli | | | Retsema et al. (2009) | |
| 200105 | Numanggang (Kawalang Dialect) | kobuli | | | Retsema et al. (2009) | |
| 200027 | Numanggang (Tumung Dialect) | ko:buli | | | Retsema et al. (2009) | |
| 155620 | Ma Manda | koda | | | McElhanon and Voorhoeve (1970) | new |
| 73551 | Siane | kófawá | | | Scott (1978) | |
| 76223 | Lavukaleve | koisove | new | | Tryon & Hackman (1983) | |
| 27276 | Dibiyaso | kokalia | | | Reesink (1976) | |
| 18203 | Dibiyaso | kokalia | | | Shaw (1986) | |
| 200191 | Nek (Goambot Dialect) | kombɨɾin | | | Retsema et al. (2009) | |
| 199814 | Nuk (Tamben Dialect) | kombɨɾɨn | | | Retsema et al. (2009) | |
| 199924 | Nuk (Tunam Dialect) | kombʊtnɨ | | | Retsema et al. (2009) | |
| 155607 | Yopno (Nokopo Dialect) | kɔndak | | | McElhanon and Voorhoeve (1970) | new |
| 155613 | Wantoat (Yagawak Dialect) | kondake | | | McElhanon and Voorhoeve (1970) | new |
| 155614 | Tuma-Irumu (Irumu Dialect) | kɔndaki | | | McElhanon and Voorhoeve (1970) | new |
| 155574 | Pare | kɔnɛ | | | McElhanon and Voorhoeve (1970) | new |
| 1242 | Duna | koni | | | Shaw (1973) | |
| 16881 | Duna | kɔni | | | Shaw (1986) | |
| 155583 | Waboda | korio | | | McElhanon and Voorhoeve (1970) | new |
| 2653 | Waboda | korio | | | Wurm (1973) | |
| 73540 | Proto-Eastern-Central | **kosa | | | Scott (1978) | |
| 73538 | Benabena | kósava | | | Scott (1978) | |
| 219594 | Awyu, Central (Ketah Dialect) | koto | | | Kriens & Lebold (2010) | |
| 193792 | Isabi | koy | | | Z'graggen (1980) | new |
| 31378 | Tairora, South | kʌrʌha | | | SIL (1976) | |
| 195744 | Kalam | ksen | | | Pawley (2013) | |
| 226156 | Gizra (Kupere Dialect) | kɨsil | | | Fleischmann and Turpeinen (1976) | |
| 226250 | Gizra (Togo Dialect) | kɨsɨl | | | Fleischmann and Turpeinen (1976) | |
| 220079 | Awyu, Central (Taim Dialect) | kɑtuˈgo | | | Kriens & Lebold (2010) | |
| 198619 | Mungkip | kʰubri | | | Retsema et al. (2009) | |
| 155625 | Mungkip | kubuli | | | McElhanon and Voorhoeve (1970) | new |
| 199727 | Nakame (Gufin Dialect) | kubuli | | | Retsema et al. (2009) | |
| 202194 | Iatmul (Tambanam Dialect) | kuᵽi | | | Staalsen (1969) | |
| 202326 | Iatmul (Kanganaman Dialect) | kuꝑi | | | Staalsen (1969) | |
| 181543 | Rerau | kumbaɪ | | | Z'graggen (1980) | new |
| 181544 | Jilim | kundum | | | Z'graggen (1980) | new |
| 155593 | Ufim | kundziyoŋ | | | McElhanon and Voorhoeve (1970) | new |
| 202600 | Iatmul (Brugnowi Dialect) | kupi | | | Staalsen (1969) | |
| 202463 | Iatmul (Korogo Dialect) | kupi | | | Staalsen (1969) | |
| 155567 | Muyu, North | kuri | | | McElhanon and Voorhoeve (1970) | new |
| 208466 | Proto-South-Adelbert | *kutuki | | | Ross (2014) | new |
| 184841 | Proto-Trans-New-Guinea | *kVtak | | | Pawley (2005) | |
| 209808 | Proto-Trans-New-Guinea | *kVtVk | | | Ross (2014) | new |
