| 211606 | Proto-Oceanic | *kiki | | | Blust (1993) | |
| 35192 | Klon (Halerman Dialect) | kikɛn'iit | | | Stokhof (1975) | |
| 37782 | Kui (Kiramang Dialect) | kĭd'iŋ | | | Stokhof (1975) | |
| 36025 | Kamang | kĭd'iŋ | | | Stokhof (1975) | |
| 34956 | Kafoa | kid'iŋ | | | Stokhof (1975) | |
| 38369 | Kamang (Letley Dialect) | kid'iŋ | | | Stokhof (1975) | |
| 34065 | Abui (Atimelang Dialect) | kid'iŋ | | | Stokhof (1975) | |
| 54176 | Yegha (Oukena Dialect) | kiambu[ko] | small | | Smallhorn (2011) | |
| 54178 | Gaina (Gena Dialect) | kiambu[ka] | small | | Smallhorn (2011) | |
| 54173 | Ewage-Notu | kiɲambu | small | | Smallhorn (2011) | |
| 54172 | Proto-Coastal-Binandere | *kiɲambu | | | Smallhorn (2011) | |
| 54175 | Ewage-Notu | kiambu | small | | Smallhorn (2011) | |
| 54174 | Ewage-Notu | kiambo | small | | Smallhorn (2011) | |
| 28323 | Ewage-Notu | kiambo | | | Wilson (1969) | |
| 215558 | Anjam (Lalok Dialect) | kiɲala | | | Rueck & Jore (2003) | |
| 54146 | Suena | kiaka | small | | Smallhorn (2011) | |
| 28423 | Suena | kiaka | | | Wilson (1969) | |
| 32541 | Siane | kevora | | | Salisbury (1956) | |
| 1231 | Duna | kete | | | Shaw (1973) | |
| 16870 | Duna | kete | | | Shaw (1986) | |
| 240341 | Ap Ma (Kambaramba Dialect) | ˈkʰəřənəs | | | Abbott (1985) | |
| 2540 | Bamu (Pirupiru Dialect) | kerekaina | | | Wurm (1973) | |
| 165992 | Kuot | kəppi | adj also 'thin', 'narrow' | | Lindström (2008) | |
| 198362 | Bo | kepikiye | | | Conrad and Dye (1975) | |
| 32483 | Gende | kengua | little | | Salisbury (1956) | |
| 74257 | Gende | kengua | | | Scott (1978) | |
| 181115 | Bongu | kɛnɛŋ | | | Z'graggen (1980) | small |
| 78617 | Tidore | kene | | | Pikkert et al (1994) | |
| 181112 | Yangulam | kenaneŋ | | | Z'graggen (1980) | small |
| 32598 | Kuman | kembere | little | | Salisbury (1956) | |
| 732 | Kuman | kembeřa | | | Trefry (1969) | |
| 35073 | Klon (Probur Dialect) | kɛk'eyn | | | Stokhof (1975) | |
| 193540 | Isabi | kekete | | | Z'graggen (1980) | small |
| 6855 | Kerewo | kekebo | | | Wurm (1973) | |
| 4126 | Keoru-Ahia | keikaikore | | | Brown (1973) | |
| 258863 | Doromu-Koki (Bareika Dialect) | ˈkeika | | | Dutton (1970) | small |
| 258864 | Doromu-Koki (Aramaika Dialect) | ˈkeika | | | Dutton (1970) | small |
| 207767 | Proto-Manubaran | *keika | | | Ross (2014) | small |
| 207893 | Proto-Doromu | *keika | | | Ross (2014) | small |
| 258866 | Doromu-Koki (Lofaika Dialect) | keiʔa(ba) | | | Dutton (1970) | small |
| 17280 | Northeast Kiwai (Arigibi Dialect) | 'kɛʔi· | | | Wurm (1973) | |
| 258877 | Sinaugoro | kei | | | Dutton (1970) | small |
| 258871 | Hula | kei | | | Dutton (1970) | small |
| 991 | Northeast Kiwai (Urama Dialect) | kehimere | | | Wurm (1973) | |
| 2975 | Northeast Kiwai (Gope Dialect) | kehibu | | | Wurm (1973) | |
| 31468 | Northeast Kiwai (Gibaio Dialect) | ke:'hɩ́buʌ | | | Wurm (1973) | |
| 74261 | Siane | kéfó | | | Scott (1978) | |
| 34187 | Abui (Makadai Dialect) | kəd'iŋ | | | Stokhof (1975) | |
| 213682 | Abaga | kedeʔa | kedeʔa korumpai 'small stone' | | SIL (1966) | |
| 219177 | Indonesian | kecil | | | Kriens & Lebold (2010) | |
