| 192375 | Utarmbung | yapara- | | | Z'graggen (1980) | yam |
| 192392 | Utarmbung | mo- | | | Z'graggen (1980) | yam (discorea esculenta) |
| 142063 | Usan | tan | | | Z'graggen (1980) | yam: Discorea esculenta |
| 142036 | Usan | mʌni | | | Z'graggen (1980) | (yam) |
| 179090 | Urigina | dɛːmbɛrɛ | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179061 | Urigina | ko:me | | | Z'graggen (1980) | yam |
| 200413 | Uri (Sintogoro Dialect) | dɑŋ | | | Retsema et al. (2009) | |
| 200326 | Uri (Siara Dialect) | dɑŋ | | | Retsema et al. (2009) | |
| 228262 | Ura | ʌ nʌřək | | | SIL (1970) | |
| 230814 | Ura | Nořʌɣi | | | SIL (1975) | |
| 228769 | Ura | nʌřək | | | SIL (1971) | |
| 228954 | Unknown (possibly Konomala) | mʌmi wuf | | | SIL () | |
| 142068 | Ukuriguma | kea | | | Z'graggen (1980) | yam: Discorea esculenta |
| 142041 | Ukuriguma | zaberam | | | Z'graggen (1980) | (yam) |
| 217614 | Uare | 'mahɔ | | | SIL (1988) | |
| 221091 | Tokano | ǥasa | | | SIL (1965) | |
| 192404 | Tauya | niomo | | | Z'graggen (1980) | yam (discorea esculenta) |
| 192387 | Tauya | onamo | | | Z'graggen (1980) | yam |
| 218165 | Tauade | kamara'va | | | SIL (1980) | |
| 31341 | Tairora, South | tana | | | SIL (1976) | |
| 74993 | Tairora, North | oba | | | Scott (1978) | |
| 245974 | Tabriak | akuʌy | | | SIL (1967) | |
| 179060 | Sumau | iba | | | Z'graggen (1980) | yam |
| 179089 | Sumau | murʌk | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179088 | Sop | deig | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179059 | Sop | kibʌ | | | Z'graggen (1980) | yam |
| 179087 | Sop | gɛːgu | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 213663 | Som | mɛdᵋʌŋ | | | SIL (1968) | |
| 179081 | Siroi | ŋaʔad | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179053 | Siroi | mar̃aŋ | | | Z'graggen (1980) | yam |
| 179046 | Sinsauru | hou | | | Z'graggen (1980) | yam |
| 179074 | Sinsauru | tɛbɛl | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 122950 | Silopi | kakʌr | | | Z'graggen (1980) | yam |
| 122980 | Silopi | ʔo | | | Z'graggen (1980) | yam (Dioscorea esculenta) |
| 192373 | Sileibi | ñam | | | Z'graggen (1980) | yam |
| 192389 | Sileibi | kuñi | | | Z'graggen (1980) | yam (discorea esculenta) |
| 122932 | Sihan | marʌk | | | Z'graggen (1980) | yam |
| 122963 | Sihan | ʔo | | | Z'graggen (1980) | yam (Dioscorea esculenta) |
| 122933 | Sihan | siwʌr | | | Z'graggen (1980) | yam |
| 199548 | Siawi | yařɛ | | | Conrad and Dye (1975) | |
| 32642 | Siane (Kovena Dialect) | gasa | | | Salisbury (1956) | |
| 32531 | Siane | ka | | | Salisbury (1956) | |
| 74992 | Siane | ká | | | Scott (1978) | |
| 202717 | Setaman (Seltamin Dialect) | dɑkɑs | | | Van Cott and Spencer (2010) | |
| 202839 | Setaman (Ngisokabip Dialect) | dɑkɑs | | | Van Cott and Spencer (2010) | |
| 202975 | Setaman (Baktamin Dialect) | (ɑm)wɑn | | | Van Cott and Spencer (2010) | |
| 179076 | Sausi | nʌːbo | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179048 | Sausi | ou | | | Z'graggen (1980) | yam |
| 122943 | Saruga | savela | | | Z'graggen (1980) | yam |
| 122973 | Saruga | o | | | Z'graggen (1980) | yam (Dioscorea esculenta) |
