| 142063 | Usan | tan | | | Z'graggen (1980) | yam: Discorea esculenta |
| 192375 | Utarmbung | yapara- | | | Z'graggen (1980) | yam |
| 192392 | Utarmbung | mo- | | | Z'graggen (1980) | yam (discorea esculenta) |
| 122981 | Utu | ʔo | | | Z'graggen (1980) | yam (Dioscorea esculenta) |
| 122951 | Utu | kakʌr | | | Z'graggen (1980) | yam |
| 179092 | Uya | muru | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179063 | Uya | murʌk | | | Z'graggen (1980) | yam |
| 216300 | Uyajitaya (Didiwala Dialect) | sɑbi | | | Rueck & Jore (2003) | |
| 217181 | Uyajitaya (Gisi Dialect) | sɑbi | | | Rueck & Jore (2003) | |
| 216180 | Uyajitaya (Palipa Dialect) | sɑbi | | | Rueck & Jore (2003) | |
| 216863 | Uyajitaya (Subalulu Dialect) | sɑbi | | | Rueck & Jore (2003) | |
| 216983 | Uyajitaya (Udibai Dialect) | sɑbi | | | Rueck & Jore (2003) | |
| 216059 | Uyajitaya (Uya Dialect) | sɑbi | | | Lambrecht et al. (2008) | |
| 179065 | Uyajitaya | sa:bi | | | Z'graggen (1980) | yam |
| 179096 | Uyajitaya | simbo | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179094 | Uyajitaya | yagiya | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179095 | Uyajitaya | wʌta | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 192396 | Wadaginam | naŋʌːŋgᵊpɨmp | | | Z'graggen (1980) | yam (discorea esculenta) |
| 192379 | Wadaginam | waɣᵊmɨnɨp | | | Z'graggen (1980) | yam |
| 201102 | Wagi (Foran Dialect) | davɛr | | | Spencer et al. (2011) | |
| 200545 | Wagi (Kamba Dialect) | davɛr | | | Spencer et al. (2011) | |
| 200684 | Wagi (Kauris Dialect) | davɛr | | | Spencer et al. (2011) | |
| 200968 | Wagi (Mis Dialect) | davɛr | | | Spencer et al. (2011) | |
| 200823 | Wagi (Silibob Dialect) | davɛr | | | Spencer et al. (2011) | |
| 122957 | Wagi | dawær | | | Z'graggen (1980) | yam |
| 122987 | Wagi | ka | | | Z'graggen (1980) | yam (Dioscorea esculenta) |
| 198055 | Walio | kob̶uɛsib̶u | | | Conrad and Dye (1975) | |
| 122970 | Wamas | pʌrʌ | | | Z'graggen (1980) | yam (Dioscorea esculenta) |
| 122940 | Wamas | sabir | | | Z'graggen (1980) | yam |
| 142033 | Wanambre | kiya | | | Z'graggen (1980) | (yam) |
| 142060 | Wanambre | kaut | | | Z'graggen (1980) | yam: Discorea esculenta |
| 142048 | Waskia | ki:raŋ | | | Z'graggen (1980) | yam: Discorea esculenta |
| 142021 | Waskia | u:laŋ | | | Z'graggen (1980) | (yam) |
| 179050 | Watiwa | ku | | | Z'graggen (1980) | yam |
| 179078 | Watiwa | kwɛie | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179097 | Waube | yakia | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179066 | Waube | soira | | | Z'graggen (1980) | yam |
| 142064 | Yaben | zabula:mu | | | Z'graggen (1980) | yam: Discorea esculenta |
| 142037 | Yaben | mi | | | Z'graggen (1980) | (yam) |
| 179084 | Yabong | kuŋ | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179056 | Yabong | muleg | | | Z'graggen (1980) | yam |
| 74995 | Yagaria | hagó | | | Scott (1978) | |
| 221493 | Yagaria (Hira Dialect) | hᵊǥo | | | SIL (2000) | |
| 231951 | Yagaria (Hira Dialect) | hᵊǥo | | | SIL (2000) | |
| 79164 | Yagaria (Hua Dialect) | ha'gu | | | Xiao (1990) | |
| 179100 | Yangulam | oo | | | Z'graggen (1980) | yam (dioscorea esculenta) |
| 179069 | Yangulam | bẽraŋ | | | Z'graggen (1980) | yam |
| 142038 | Yarawata | kiʌ | | | Z'graggen (1980) | (yam) |
| 74994 | Yaweyuha | uva | | | Scott (1978) | |
| 218701 | Yaweyuha | u'ƀa | | | SIL (1965) | |
