Nilo-Saharan language vs Nilo-Saharan

Nilo-Saharan language and Nilo-Saharan both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nilo-Saharan language	Yes	No	No	No
Nilo-Saharan	Yes	No	No	No

As nouns, Nilo-Saharan language and Nilo-Saharan are synonyms defined as:

Nilo-Saharan language and Nilo-Saharan: a family of East African languages spoken by Nilotic peoples from the Sahara south to Kenya and Tanzania

Nilo-Saharan language (noun)	Nilo-Saharan (noun)
a family of East African languages spoken by Nilotic peoples from the Sahara south to Kenya and Tanzania	a family of East African languages spoken by Nilotic peoples from the Sahara south to Kenya and Tanzania