subfamily Numidinae vs Numididae

subfamily Numidinae and Numididae both are nouns.

Word	Noun	Adjective	Verb	Adverb
subfamily Numidinae	Yes	No	No	No
Numididae	Yes	No	No	No

As nouns, subfamily Numidinae and Numididae are synonyms defined as:

subfamily Numidinae and Numididae: guinea fowl and related birds of Africa and Madagascar

Other synonyms of subfamily Numidinae include Numidinae, subfamily Numididae.

subfamily Numidinae (noun)	Numididae (noun)
guinea fowl and related birds of Africa and Madagascar	guinea fowl and related birds of Africa and Madagascar