Ư (lowercase ư) is one of the 12 Vietnamese language vowels. It represents the vowel . It also appears in the Jarai language where it makes the lengthened vowel sound, [ɯː].
As with most special Vietnamese letters, this letter is not well-supported by fonts and is often typed as either or . The VIQR standard is .
On the Windows default Vietnamese keyboard Ư can be found on where the [ key is on a US English keyboard layout.
Because Vietnamese is a tonal language this letter may optionally have any one of the five tonal symbols above or below it. Ừ ừ Ứ ứ Ử ử Ữ ữ Ự ự
Ơ and Ư were in the past used for Thai Romanization, Ơ being removed in the 1939 system and Ư lasting up until the 1968 system. Both are now written with digraphs, oe and ue.
Character mappings
References
See also Ơ Vietnamese alphabet