He can speak many languages.

The South Asian language family, like the Austroasiatic language family, is a large language group that includes many languages.

The Austroasiatic languages, including Vietnamese and Khmer, are a language family that includes many languages.

I am interested in South Asian culture.

He is majoring in linguistics.

I am majoring in linguistics at university.

He is interested in the study of constructed languages.

She damaged her speech center due to a stroke and lost the ability to speak.

Metalinguistics is an important concept in linguistics.

Natural language processing is the technology that allows computers to understand and generate human language.