| 155529 | Sialum | koi | | | McElhanon and Voorhoeve (1970) | mouth |
| 207877 | Proto-Korak-Waskia | *kodaŋ | | | Ross (2014) | mouth |
| 139698 | Waskia | kodaŋ | | | Z'graggen (1980) | (mouth) |
| 3663 | Omati | kobo | | | Franklin (1973) | |
| 155536 | Kube | koa | | | McElhanon and Voorhoeve (1970) | mouth |
| 155535 | Tobo | koa | | | McElhanon and Voorhoeve (1970) | mouth |
| 2294 | Foi | ḳo | | | Franklin and Voorhoeve (1973) | |
| 3559 | Ikobi-Mena | kʰo | | | Franklin (1973) | |
| 198128 | Ama | ko | | | Conrad and Dye (1975) | |
| 176692 | Pulabu | kʌmbo | | | Z'graggen (1980) | mouth |
| 28945 | Tebi | kleseri | | | Voorhoeve (1971) | |
| 218078 | Tauade | ketapai | | | SIL (1980) | |
| 207963 | Proto-Korak-Waskia | *kedaŋ | | | Ross (2014) | mouth |
| 163063 | Enga (Laiagam Dialect) | kʌbu | | | Davies and Comrie (1985) | mouth |
| 139694 | Gavak | kawor(ep) | | | Z'graggen (1980) | (mouth) |
| 120350 | Wamas | kauru- | | | Z'graggen (1980) | mouth |
| 120351 | Samosa | kaur- | | | Z'graggen (1980) | mouth |
| 139717 | Parawen | kaukᵘtʌ | | | Z'graggen (1980) | (mouth) |
| 163062 | Kyaka | kata | | | Davies and Comrie (1985) | mouth |
| 120339 | Kare | kase- | | | Z'graggen (1980) | mouth |
| 190555 | Nend | karupr | | | Z'graggen (1980) | mouth |
| 120356 | Mosimo | karu- | | | Z'graggen (1980) | mouth |
| 1894 | Dibiyaso | karao | | | Franklin and Voorhoeve (1973) | |
| 28850 | Awyi | kamu | | | Voorhoeve (1971) | |
| 139700 | Maia (Pila Dialect) | -kamnoar | | | Z'graggen (1980) | (mouth) |
| 207955 | Proto-North-Adelbert | *kamebor | | | Ross (2014) | mouth |
| 209229 | Proto-North-Adelbert | *kaməbod | | | Ross (2014) | mouth |
| 30296 | Taikat | kamea | | | Voorhoeve (1971) | |
| 77174 | Enga | kambupu | | | Lang (1973) | |
| 77171 | Enga | kámbú | | | Lang (1973) | |
| 163065 | Enga (Lapalama Dialect) | kambu | | | Davies and Comrie (1985) | mouth |
| 163074 | Enga (Wapi Dialect) | kambu | | | Davies and Comrie (1985) | mouth |
| 139696 | Brem | kambor̃(ŋga) | | | Z'graggen (1980) | (mouth) |
| 139695 | Malas | kambar | | | Z'graggen (1980) | (mouth) |
| 139716 | Bilakura | kamavor | | | Z'graggen (1980) | (mouth) |
| 27213 | Dibiyaso | kalu | | | Reesink (1976) | |
| 18155 | Dibiyaso | kalu | | | Shaw (1986) | |
| 4192 | Samberigi | kake | | | Franklin and Voorhoeve (1973) | |
| 163073 | Enga (Sari Dialect) | kaita | | | Davies and Comrie (1985) | mouth |
| 163064 | Enga (Lapalama Dialect) | kaita | | | Davies and Comrie (1985) | mouth |
| 2194 | Wiru | kabunu | | | Franklin (1973) | |
| 139715 | Yarawata | kabukwata | | | Z'graggen (1980) | (mouth) |
| 139718 | Ukuriguma | kabogoto | | | Z'graggen (1980) | (mouth) |
| 139714 | Yaben | kabal | | | Z'graggen (1980) | (mouth) |
| 227797 | Arandai (Barau Dialect) | joŋgane | | | Voorhoeve (1985) | |
| 176688 | Arawum | jigoskad | | | Z'graggen (1980) | mouth |
| 28741 | Dera (Amgotro Dialect) | jabogeda | | | Voorhoeve (1971) | |
| 198233 | Nimo | itabɔ | | | Conrad and Dye (1975) | |
| 246304 | Nimo | itabɔ | | | SIL (1963) | |
| 199505 | Siawi | isɛmiakɔ | | | Conrad and Dye (1975) | |
