Khoisan language vs Khoisan

Khoisan language and Khoisan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Khoisan language	Yes	No	No	No
Khoisan	Yes	No	No	No

As nouns, Khoisan language and Khoisan are synonyms defined as:

Khoisan language and Khoisan: a family of languages spoken in southern Africa

Khoisan language (noun)	Khoisan (noun)
a family of languages spoken in southern Africa	a family of languages spoken in southern Africa
	nomadic hunters and gatherers who live in southern Africa