| 208847 | Proto-Mabuso | *(f,v)atu | | | Ross (2014) | forest, woods |
| 207002 | Proto-Mabuso | *bajiw | | | Ross (2014) | forest, woods |
| 207551 | Proto-North-Adelbert | *digop | | | Ross (2014) | forest |
| 211727 | Proto-Oceanic | *qutan | bushland, hinterland | | Blust (1993) | |
| 83290 | Proto-Sogeram | *kura | ? | | Daniels (2010) | |
| 83291 | Proto-Western-Sogeram | *ura | | | Daniels (2010) | |
| 180299 | Pulabu | tʰʌna | | | Z'graggen (1980) | woods |
| 124296 | Rapting | vatu | | | Z'graggen (1980) | woods |
| 217536 | Rasawa | ba | | | Clouse (1997) | |
| 124307 | Rempi | ʌːtu | | | Z'graggen (1980) | woods |
| 124308 | Rempi | tubuk | | | Z'graggen (1980) | woods |
| 180312 | Rerau | marɛŋ | | | Z'graggen (1980) | woods |
| 180302 | Saep | kaŋgam | | | Z'graggen (1980) | woods |
| 78331 | Sahu | gurangimunu | woods | | Visser & Voorhoeve (1987) | |
| 78332 | Sahu | goróa | woods | | Visser & Voorhoeve (1987) | |
| 78333 | Sahu | bangana | woods | | Visser & Voorhoeve (1987) | |
| 180318 | Sam | mar̃iŋ | | | Z'graggen (1980) | woods |
| 124298 | Samosa | boro | | | Z'graggen (1980) | woods |
| 217535 | Saponi | kiwi-fɛ-jɛ | | | Clouse (1997) | |
| 124302 | Saruga | ohaːgu | | | Z'graggen (1980) | woods |
| 180292 | Sausi | tʌbne | | | Z'graggen (1980) | woods |
| 180291 | Sausi | saumo | | | Z'graggen (1980) | woods |
| 75662 | Savosavo | ɰoɰoana | bush | | Wegener (2011) | |
| 124289 | Sihan | aran | | | Z'graggen (1980) | woods |
| 217553 | Sikaritai | igsuod | | | Clouse (1997) | |
| 193074 | Sileibi | peβi | | | Z'graggen (1980) | woods |
| 124311 | Silopi | seig | | | Z'graggen (1980) | woods |
| 180289 | Sinsauru | sasaum | | | Z'graggen (1980) | woods |
| 180297 | Siroi | duŋe | | | Z'graggen (1980) | woods |
| 180303 | Sop | duːg | | | Z'graggen (1980) | woods |
| 50517 | Suena | tawata | forest | | Smallhorn (2011) | |
| 180304 | Sumau | saum | | | Z'graggen (1980) | woods |
| 212047 | Tangko | ʔɑˈnɑɴ | | | Hughes (2009) | |
| 217540 | Tause | ti | | | Clouse (1997) | |
| 217539 | Tause (Deirate Dialect) | sakakuko | | | Clouse (1997) | |
| 217538 | Tause (Weirate Dialect) | saka | | | Clouse (1997) | |
| 193088 | Tauya | otumo | | | Z'graggen (1980) | woods |
| 214808 | Tsaukambo | sɔʔ | | | Hughes (2009) | |
| 143286 | Ukuriguma | usi | | | Z'graggen (1980) | forest |
| 180305 | Urigina | saumu | | | Z'graggen (1980) | woods |
| 180306 | Urigina | mʌːm(nʌn) | | | Z'graggen (1980) | woods |
| 143280 | Usan | amug | | | Z'graggen (1980) | forest |
| 193076 | Utarmbung | wora- | | | Z'graggen (1980) | woods |
| 124312 | Utu | sɛik | | | Z'graggen (1980) | woods |
| 180308 | Uya | humu | | | Z'graggen (1980) | woods |
| 180310 | Uyajitaya | siñia | | | Z'graggen (1980) | woods |
| 193080 | Wadaginam | waramp | | | Z'graggen (1980) | woods |
| 124319 | Wagi | atupa | | | Z'graggen (1980) | woods |
| 124320 | Wagi | dumba | | | Z'graggen (1980) | woods |
| 124297 | Wamas | kuru | | | Z'graggen (1980) | woods |
