It is used in Lithuanian, Western Apache, Chipewyan, Mescalero-Chiricahua, Muscogee, Dadibi, Dalecarlian, Gwichʼin, Hän, Iñapari, Kaska, Navajo, Sierra Otomi, Sekani, Tagish, Tlingit, Tutchone, Winnebago, Assiniboine, Mandan, Osage, Tutelo, Catawba, and Ixtlán Zapotec.

In Lithuanian, it is the 14th letter of the alphabet, and is pronounced as long close front unrounded vowel ([iː]).

In the past, the letter was used to denote the nasalized close front unrounded vowel ([ĩ]).

The letter also appears in various Indigenous languages of North America, which are: Western Apache, Chipewyan, Mescalero-Chiricahua, Muscogee, Dadibi, Dalecarlian, Gwichʼin, Hän, Iñapari, Kaska, Navajo, Sierra Otomi, Sekani, Tagish, Tlingit, Tutchone, Winnebago, Assiniboine, Mandan, Osage, Tutelo, Catawba, and Ixtlán Zapotec.

In most of them, the letter represents the nasalized close front unrounded vowel ([ĩ]).