| 55612 | Karon | akɛna | | | Wilson (1961) | |
| 48972 | Kawaiisu | siʔinaja | | | Zigmond et al. (1990) | |
| 22247 | Kayardild | niwanji | | | Evans (1995) | |
| 47750 | Kele | i | | | Lynch et al. (2002) | |
| 58744 | Kemedzung | yo˩ | | | Smoes (2010) | |
| 59900 | Keo (Udiworowatu Dialect) | ʔimu | | | Baird (2002) | |
| 59832 | Keo (Udiworowatu Dialect) | ʔimu | | | Baird (2002) | |
| 49260 | Ket | bū | | | Georg (2006) | |
| 49212 | Kham (Western Parbate) (Takale Dialect) | no: | | | Watters (2002) | |
| 45508 | Khmer (Central Dialect) | koat | | | Haiman (2011) | |
| 46485 | Kimaghima | anda | | | Boelaars (1950) | |
| 46508 | Kimaghima | anda | | | Boelaars (1950) | |
| 48732 | Kiowa | óíde | | | Adger et al. (2008) | |
| 42316 | Kiwai, Northeast | nu | | | Brown (2009) | |
| 42364 | Kiwai, Southern | noroai | | | Ray (1907) | |
| 27374 | Klon | g-, go-, gin=, ge- | | | Baird (2008) | |
| 38625 | Klon | g- | | | Baird (2008) | |
| 59775 | Klon | gin= | | | Baird (2008) | |
| 59769 | Klon | go- | | | Baird (2008) | |
| 59781 | Klon | ge- | | | Baird (2008) | |
| 43829 | Koasati | ibisnón | | | Kimball (1991) | |
| 29937 | Kobon | nɨp | | | Davies (1981) | |
| 29936 | Kobon | ne | | | Davies (1981) | |
| 29935 | Kobon | nipe | | | Davies (1981) | |
| 39113 | Kobon | nɨp | | | Davies (1981) | |
| 34879 | Kodeoha | iee | | | Mead (1999) | |
| 42412 | Koitabu | au | | | Dutton (1975) | |
| 41842 | Kokoda | nigéra | | | de Vries (2004) | |
| 48588 | Kokota | =ni | | | Palmer (2009) | |
| 57214 | Kolbila | -bò | | | Littig (2009) | |
| 31603 | Kombai | khe | | | de Vries (1993) | |
| 40688 | Kombio | kil | | | Henry (1992) | |
| 24062 | Komnzo | ɸi | | | Doehler () | |
| 57646 | Konni | wa | | | Cahill (1999) | |
| 55524 | Konyagi | umə, mə | | | Wilson (2007) | |
| 51600 | Koromfe | dəkɔ | | | Rennison (1997) | |
| 29490 | Korowai | yakhata | | | van Enk and de Vries (1997) | |
| 39308 | Korowai | yup | | | van Enk and de Vries (1997) | |
| 29489 | Korowai | yu | | | van Enk and de Vries (1997) | |
| 29488 | Korowai | yup | | | van Enk and de Vries (1997) | |
| 53767 | Kotiria | tíró | | | Waltz and Waltz (2000) | |
| 45076 | Koya | oːninni | | | Tyler (1969) | |
| 28970 | Kristang | ku e | | | Baxter (1988) | |
| 56694 | Krobu | o˥ | | | Mensah (1983) | |
| 28139 | Kuku Yalanji | ñuŋuñ | | | Patz (2002) | |
| 58030 | Kulango, Bouna | -ɛ | | | Elders (2008) | |
| 42172 | Kunimaipa | pi | | | Geary (1977) | |
| 24194 | Kunja / Bondobol | ɸɪ | | | Doehler spreadsheet | |
| 55660 | Kupang Malay | dia | | | Jacob and Grimes (2006) | |
| 43021 | Kurtöp | khit | | | Hyslop (2014) | |
