| Vie^.t | Ha'n | Gia?i nghia~ | Vi' du. / ghi chu' |
| u | 幽 | secluded, quiet | u a'm 幽暗 |
| u+ | 於 | at, in regard to | |
| u+' | 淤 | silt; be full of silt, stale | |
| u'c | 奧 | obscure ; bay, cove | Australia 奧地利 |
| u+'c | 抑 | to restrain, keep down; be dignified | u+'c che^' 抑制 |
| u+'c | 億 | 100000 | |
| u+'c | 臆 | breast, chest | |
| ung | 癰 | abscess | |
| u+ng | 鷹 | eagle | |
| u+'ng | 應 | to face, respond | u+'ng du.ng 應用 application, u+'ng pho' 應付, hie^.u u+'ng 效應, thi'ch u+'ng 適應, tu+o+ng u+'ng 相應 |
| u?ng | 擁 | crowd, to hold, to support | u?ng ho^. 擁護 |
| u+o+'c | 約 | agreement, approximately | u+o+'c ddi.nh 約定 |
| u+o+ng | 央 | center; beg | trung u+o+ng 中央 |
| u+o+ng | 秧 | young shoots, seedlings | |
| uo^?ng | 枉 | in vain, in the wrong | |
| u+u | 優 | superior, excellent ; ample | u+u ddie^?m 優點, u+u the^' 優勢, u+u tie^n 優先, u+u vie^.t 優越 |
| uy | 威 | power, might | uy hie^'p 威脅, uy nghie^m 威嚴, uy ti'n 威信, quye^`n uy 權威 |
| uy? | 委 | to commission, entrust | uy? nhie^.m 委任, uy? tha'c 委託, uy? vie^n 委員, chi'nh uy? 政委 |
| uye^n | 鴛 | mandarin duck | uye^n u+o+ng [mandarin duck] 鴛鴦 |
| uye^n | 淵 | abyss, profound |