| 15530 | Mountain Koiari | ono | what | | Dutton (2010) | |
| 14645 | Ömie | vadu | who?, what? | | Dutton (2010) | |
| 14643 | Koitabu | ota|vado | what? | | Dutton (2010) | |
| 14642 | Proto-Koiarian | *vadu | | | Dutton (2010) | |
| 14306 | Ese | irak-a | what? | | Dutton (2010) | |
| 14644 | Grass Koiari | vadu|be | what? | | Dutton (2010) | |
| 14304 | Ömie | rab-e: | what? | | Dutton (2010) | |
| 14305 | Barai (North Dialect) | irer-e | what? | | Dutton (2010) | |
| 260018 | Maria (Uderi Dialect) | veato | | | Dutton (1970) | what |
| 260020 | Humene | naʔeni | | | Dutton (1970) | what |
| 260021 | Motu | dahaka | | | Dutton (1970) | what |
| 260022 | Mulaha | anaba | | | Dutton (1970) | what |
| 260023 | Sinaugoro | kara dagara | | | Dutton (1970) | what |
| 260019 | Hula | rakau | | | Dutton (1970) | what |
| 260012 | Doromu-Koki (Bareika Dialect) | ˈbeika | | | Dutton (1970) | what |
| 260013 | Doromu-Koki (Aramaika Dialect) | bikodo | | | Dutton (1970) | what |
| 260014 | Maria (Maiagolo Dialect) | beʔaboto | | | Dutton (1970) | what |
| 260015 | Doromu-Koki (Lofaika Dialect) | bikado | | | Dutton (1970) | what |
| 260016 | Maria (Maranomu Dialect) | beiboto | | | Dutton (1970) | what |
| 260017 | Uare | naˈgini | | | Dutton (1970) | what |
| 77753 | Maybrat | p-awiya | | | Dol (2007) | |
| 165114 | Enga (Lapalama Dialect) | aki | | | Davies and Comrie (1985) | what |
| 165113 | Enga (Lapalama Dialect) | akiʔ | | | Davies and Comrie (1985) | what |
| 165112 | Enga (Laiagam Dialect) | anung | | | Davies and Comrie (1985) | what |
| 165111 | Kyaka | aki | | | Davies and Comrie (1985) | what |
| 165110 | Kyenele (Kyaimbarang Dialect) | gatɛwej | | | Davies and Comrie (1985) | what |
| 165109 | Kobon | nan nə'hʌn | | | Davies and Comrie (1985) | what |
| 165108 | Banaro | 'sʸiman | | | Davies and Comrie (1985) | what |
| 165107 | Pinai-Hagahai (Aramo Dialect) | ixaj'βɛm | | | Davies and Comrie (1985) | what |
| 165106 | Alamblak | ᵽɩɲji | | | Davies and Comrie (1985) | what |
| 165105 | Alamblak | tʰa'mɛ̈ǥɨtʰ | | | Davies and Comrie (1985) | what |
| 165122 | Lembena (Yariba Dialect) | bi'aɽɛ | | | Davies and Comrie (1985) | what |
| 165121 | Haruai (Wiyaw Dialect) | 'aga ma.u | | | Davies and Comrie (1985) | what |
| 165120 | Enga (Wapi Dialect) | akisi | | | Davies and Comrie (1985) | what |
| 165119 | Enga (Sari Dialect) | aki | | | Davies and Comrie (1985) | what |
| 165118 | Pinai-Hagahai (Wakadadap Dialect) | ˌaibama'd̮ʑɩmɤ̃ | | | Davies and Comrie (1985) | what |
| 165117 | Pinai-Hagahai (Nangenuwetan Dialect) | aj'baɤəm | | | Davies and Comrie (1985) | what |
| 165116 | Lembena (Maibi Dialect) | 'men 'piɽim | | | Davies and Comrie (1985) | what |
| 165115 | Lembena | bangenaipe | | | Davies and Comrie (1985) | what |
| 256966 | Aisi | ai | | | Daniels (2016) | |
| 256965 | Magɨ | ai | | | Daniels (2016) | |
| 221568 | Orya | basa | | | Clouse (1997) | |
| 221567 | Berik | basa | | | Clouse (1997) | |
| 221557 | Duvle | bɾi | | | Clouse (1997) | |
| 221551 | Rasawa | bisiβo | | | Clouse (1997) | |
| 221553 | Tause | idoɾe | | | Clouse (1997) | |
| 221565 | Kaure | kwa | | | Clouse (1997) | |
| 221563 | Eritai | kwiteisɛ | | | Clouse (1997) | |
| 221550 | Saponi | misila | | | Clouse (1997) | |
| 221569 | Dani, Western | nano | | | Clouse (1997) | |
