Dutton, T.E., 2010. Reconstructing Proto Koiarian: The history of a Papuan language family, Canberra: Pacific Linguistics.
Provided Lexicon:
| ID | Language | Word | Entry | Source Gloss | Annotation | Loan |
|---|
| 15142 | Koitabu | interrogative | -na | interrogative particle | question form of specifier (on subject mostly) | |
| 15146 | Barai (North Dialect) | interrogative | -ne | interrogative particle | question marker (on pronoun subject) | |
| 15147 | Barai (South Dialect) | interrogative | -ne | interrogative particle | question marker (on pronoun subject) | |
| 15144 | Mountain Koiari | interrogative | -na | interrogative particle | question marker (suffixed to subject) | |
| 15539 | Grass Koiari | quickly | soreka | | quickly | |
| 15540 | Mountain Koiari | quickly | soleka | | quick(ly), fast | |
| 14709 | Grass Koiari | to rain | veni | | rain | |
| 14708 | Koitabu | to rain | veni | | rain | |
| 14710 | Mountain Koiari | to rain | veni | | rain | |
| 14712 | Barai (North Dialect) | to rain | ve | | rain | |
| 14711 | Ömie | to rain | ëni | | rain | |
| 14713 | Barai (South Dialect) | to rain | ve | | rain | |
| 14714 | Ese | to rain | ne|h-a | | rain | |
| 14707 | Proto-Koiarian | to rain | *ven(í,e) | | rain | |
| 15561 | Koitabu | raised land, ridge | tana | | raised land, ridge | |
| 15087 | Barai (North Dialect) | good | maj|e | | real | |
| 14392 | Barai (South Dialect) | red | ʔabo | | red | |
| 14390 | Ömie | red | kavu|ëʔe | | red | |
| 14391 | Barai (North Dialect) | red | kavu|ame | | red, blood | |
| 14360 | Ese | Relative | -(j)ora | | RELATIVE | |
| 14359 | Barai (South Dialect) | Relative | -joru | | RELATIVE | |
| 15444 | Mountain Koiari | to return | hoila-ha- | | return | |
| 15442 | Koitabu | to return | ɣoira-ɣi (oroɣonu) | | return (lit. turn around [and come]) | |
| 15443 | Grass Koiari | to return | voira-vi (orovonu) | | return (lit. turn around [and come]) | |
| 15562 | Grass Koiari | raised land, ridge | tana | | ridge of land | |
| 14767 | Barai (North Dialect) | ripe | bae|je | | ripe | |
| 14764 | Koitabu | ripe | bae|ka | | ripe | |
| 14765 | Grass Koiari | ripe | bae|ka | | ripe | |
| 14480 | Barai (South Dialect) | rotten (especially log) | saga|loma | | ripe (banana) | |
| 14759 | Barai (North Dialect) | to stand | uri | | rise, get up | |
| 15598 | Grass Koiari | root | umu-ka | | root, base | |
| 15597 | Koitabu | root | umu-ka | | root, base | |
| 15599 | Mountain Koiari | root | umu-ka | | root, base (of tree) | |
| 14481 | Ese | rotten (especially log) | saka|ha | | rotted | |
| 14478 | Ömie | rotten (especially log) | sago|m | | rotten thing | |
| 14479 | Ömie | rotten (especially log) | sago|horije | | rotting | |
| 14838 | Mountain Koiari | to run | dibu- | | run | |
| 14839 | Barai (North Dialect) | to run | difu|ri | | run | |
| 14435 | Barai (South Dialect) | salt | misu | | salt | |
| 14436 | Ese | salt | mis-a | | salt | |
| 14352 | Barai (South Dialect) | sand | aiaru | | sand | |
| 14353 | Ese | sand | ajar-a | | sand | |
| 14351 | Barai (North Dialect) | sand | ajar-e | | sand | |
| 15247 | Ömie | to say | u|v | | say | |
| 15246 | Mountain Koiari | to say | lou- | | say, speak | |
| 15244 | Koitabu | to say | ro- | | say, tell, call (name) | |
| 14516 | Ese | to scrape off | tatia|h-o | | scrape off | |
| 15306 | Ese | to scratch (as with fingernails to relieve itch) | ʔumur-o | | scratch | |
| 15304 | Mountain Koiari | to scratch (as with fingernails to relieve itch) | tuma- | | scratch (an itch) | |
| 15302 | Koitabu | to scratch (as with fingernails to relieve itch) | tuma- | | scratch (skin) | |
