It also represents /u/ in southern dialects. Ó is the 23rd letter of the Kashubian alphabet and represents /o/.

A similar process may occur with é and è, as in *pésca, 'fishing', and *pèsca 'peach', in which the accent mark is not written (both are written as pesca). In Italian, ó is an optional symbol (especially used in dictionaries) sometimes used to indicate that a stressed o should be pronounced with a close sound: córso, 'course', as opposed to còrso, 'Corsican' (but both are commonly written with no accent marks when the context is clear). When Irish names were anglicized, the Ó commonly was either dropped or written as O'. the patronymic term Ó 'grandson, (usually male) descendant, first or second cousin' (variants: Ua, Uí, Í Uaí).Ó is widely used in Irish where it has various meanings: Ó is the 19th letter of the Icelandic alphabet and represents /oṷ/. Ó is the 25th letter of the Hungarian alphabet.

Ó is the 18th letter of the Faroese alphabet and represents /œ/ or /ɔuː/. In Romagnol, ó is used to represent, e.g. In Emilian, ó is used to represent, e.g. In Dutch, the acute Ó accent is used to mark different meanings for words, for example voor and vóór ('for' / 'before'), or vóórkomen and voorkómen ('to occur' / 'to prevent'). Ó is the 24th letter of the Czech alphabet and the 28th letter of the Slovak alphabet. In Chinese pinyin ó is the yángpíng tone (阳平, high-rising tone) of 'o'. It is sometimes also used in English for loanwords.

In some cases, The Letter 'ó' is used in some languages as in a high rising tone (e.g. This letter also appears in the Afrikaans, Catalan, Dutch, Irish, Nynorsk, Bokmål, Occitan, Portuguese, Spanish, Italian and Galician languages as a variant of letter 'o'. Ó, ó ( o- acute) is a letter in the Czech, Emilian-Romagnol, Faroese, Hungarian, Icelandic, Kashubian, Polish, Slovak, and Sorbian languages. Not to be confused with the Cyrilic letter О́.

How to make tilde on capital o