| 121860 | Isebe | ehir | | | Z'graggen (1980) | cassry |
| 198399 | Iteri | sakyu | | | Conrad and Dye (1975) | |
| 196993 | Iteri (Rocky Peak Dialect) | wʌpiya | | | Conrad and Dye (1975) | |
| 178083 | Jilim | jugu | | | Z'graggen (1980) | cassowary |
| 184901 | Kalam | kobti | | | Pawley (2013) | |
| 16743 | Kaluli | kusua | | | Shaw (1986) | |
| 72449 | Kamano | mänáni | | | Scott (1978) | |
| 32300 | Kambaira | bukemi | | | SIL () | |
| 16543 | Kamula | wʌtʌlʌ | | | Shaw (1986) | |
| 224948 | Kapriman | wolos | | | Dye et al (1968) | |
| 121853 | Kare | mʌːgwa | | | Z'graggen (1980) | cassowary |
| 16443 | Kasua | kazuʌ | | | Shaw (1986) | |
| 218392 | Kaure | kuwi | | | Clouse (1997) | |
| 29271 | Kayagar | kue | | | Voorhoeve (1971) | |
| 121857 | Kein | kimau | | | Z'graggen (1980) | cassowary |
| 178064 | Kesawai | ɛsirɛ | | | Z'graggen (1980) | cassowary |
| 33207 | Keuw | múulí-yò | | | Kamholz (2012) | |
| 218386 | Kirikiri | dɛi | | | Clouse (1997) | |
| 218385 | Kirikiri (Faia Dialect) | dɛ | | | Clouse (1997) | |
| 141068 | Kobol | urup | | | Z'graggen (1980) | cassowary |
| 196013 | Kobon | kobri | + | | Pawley (2013) | |
| 196014 | Kobon | wayöŋ | + | | Pawley (2013) | |
| 164467 | Kobon | 'waiʌŋ | | | Davies and Comrie (1985) | cassowary |
| 230649 | Kol | puele | | | SIL (1981) | |
| 148902 | Komba (Ândâ River Dialect) | kwela | | | Southwell (1976) | cassowary |
| 148809 | Komba (Gwama River (North) Dialect) | kwelâ | | | Southwell (1976) | cassowary |
| 148855 | Komba (Gwama River (South) Dialect) | kwela | | | Southwell (1976) | cassowary |
| 148948 | Komba (Puleng River Dialect) | kpela | | | Southwell (1976) | cassowary |
| 210789 | Komyandaret | hæ'niʔ | | | Hughes (2009) | |
| 16643 | Konai | kwea | | | Shaw (1986) | |
| 245397 | Kopar (Singarin Dialect) | 'kʰəntʰ | | | SIL (1977) | |
| 48707 | Korafe (Mokorua Dialect) | 'boke | cassowary | | Smallhorn (2011) | |
| 48708 | Korafe (Rabade Dialect) | 'boke | cassowary | | Smallhorn (2011) | |
| 141053 | Korak | kasu | | | Z'graggen (1980) | cassowary |
| 210583 | Korowai | sæ'ni:β | | | Hughes (2009) | |
| 141062 | Kowaki | ʔahi | | | Z'graggen (1980) | cassowary |
| 7210 | Kubo | diuɔ | | | Shaw (1986) | |
| 32591 | Kuman | nime | | | Salisbury (1956) | |
| 28091 | Kuni-Boazi | ḳɔu̯s | | | Voorhoeve (1970) | |
| 164469 | Kyaka | lamya | | | Davies and Comrie (1985) | cassowary |
| 164468 | Kyenele (Kyaimbarang Dialect) | kaɽim | | | Davies and Comrie (1985) | cassowary |
| 164475 | Kyenele (Miyak Dialect) | kʰaǏim | | | Davies and Comrie (1985) | cassowary |
| 164473 | Lembena | kawaune | | | Davies and Comrie (1985) | cassowary |
| 164474 | Lembena (Maibi Dialect) | ka'wəne | | | Davies and Comrie (1985) | cassowary |
| 164481 | Lembena (Yariba Dialect) | kᵡa'wan | | | Davies and Comrie (1985) | cassowary |
| 178069 | Lemio | undugu | | | Z'graggen (1980) | cassowary |
| 141056 | Maia (Pila Dialect) | kasiwar | | | Z'graggen (1980) | cassowary |
| 141057 | Maia (Saki Dialect) | kasiwar | | | Z'graggen (1980) | cassowary |
| 86130 | Mailu (Asiaoro Dialect) | guia | | | Thomson (1975) | |
| 87500 | Mailu (Baibara Dialect) | guia | | | Thomson (1975) | |
