Munda-Mon-Khmer vs Austro-Asiatic

Munda-Mon-Khmer and Austro-Asiatic both are nouns.

Word	Noun	Adjective	Verb	Adverb
Munda-Mon-Khmer	Yes	No	No	No
Austro-Asiatic	Yes	No	No	No

As nouns, Munda-Mon-Khmer and Austro-Asiatic are synonyms defined as:

Munda-Mon-Khmer and Austro-Asiatic: a family of languages spoken in southern and southeastern Asia

Other synonyms of Munda-Mon-Khmer include Austro-Asiatic language.

Munda-Mon-Khmer (noun)	Austro-Asiatic (noun)
a family of languages spoken in southern and southeastern Asia	a family of languages spoken in southern and southeastern Asia