This sentence contains many words written in katakana.

He can speak Kazakh fluently.

He can speak Xhosa.

He can speak Zulu.

He is learning Aymara, a language of South America.

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.