Sino-Tibetan vs Sino-Tibetan language

Sino-Tibetan and Sino-Tibetan language both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sino-Tibetan	Yes	No	No	No
Sino-Tibetan language	Yes	No	No	No

As nouns, Sino-Tibetan and Sino-Tibetan language are synonyms defined as:

Sino-Tibetan and Sino-Tibetan language: the family of tonal languages spoken in eastern Asia

Sino-Tibetan (noun)	Sino-Tibetan language (noun)
the family of tonal languages spoken in eastern Asia	the family of tonal languages spoken in eastern Asia