Â based on A
Â, â (a-circumflex) is a letter of the Inari Sami, Skolt Sami, Romanian, and Vietnamese alphabets. This letter also appears in French, Friulian, Frisian, Portuguese, Turkish, Walloon, and Welsh languages as a variant of the letter "a". It is included in some romanization systems for Khmer, Persian, Russian, and Ukrainian.Khmer
Â is used in the UNGEGN romanization system to represent the /ɑː/ sound in Khmer.Persian
Â is used in the romanization of Persian to represent the sound /ɒ/ in words such as Fârs.Portuguese
In Portuguese, â is used to mark a stressed /ɐ/ in words whose stressed syllable is nasal and in an unpredictable location within the word, as in "lâmina" (blade) and "âmbar" (amber). Where the location of the stressed syllable is predictable, such as in "ando" (I walk), the circumflex accent is not used. Â /ɐ/ contrasts with á, pronounced /a/.