He can speak Bulgarian fluently.

Japanese clitics are important for understanding grammar.

There are many cognates in English and German.

This compound word comes from English.

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.