the Tonga language (Zambia and Zimbabwe) / the Tonga (Nyasa) language, spoken in Malawi / the Guitonga language (Mozambique)

Samoan (language of the Samoa)

Avar language

reserved word

Thao language

onomatopoeia (word that sounds like what it represents)

(grammar) an autonomous/independent/free morpheme or word in Japanese, marked by its independence from other words and its distinct pitch accent

international auxiliary language / world language

the Zhuang languages

Estonian (language)