Thai is a tonal language spoken by over 70 million people, featuring five tones, a unique Brahmic script, and a rich system of politeness registers reflecting Thai culture.
Turkish is an agglutinative language spoken by over 80 million people, featuring vowel harmony, no grammatical gender, and a Latin-based alphabet adopted in 1928.
Vietnamese is a tonal language spoken by over 86 million people, with a rich history and influences from Chinese and French.