A fusional language is a type of language that shows grammatical relationships by changing the form of words.

Vietnamese is one of the isolating languages, where the order of words is very important.

He can speak Chechen.

He can speak Ingush language.

He can speak Tongan.

He can speak Tonga language.

He can speak Samoan.

He can speak Avar language.

In this programming language, 'for' is a reserved word.

He always speaks in polite language, so he is considered very courteous.