hippoboscid vs louse fly

hippoboscid and louse fly both are nouns.

Word	Noun	Adjective	Verb	Adverb
hippoboscid	Yes	No	No	No
louse fly	Yes	No	No	No

As nouns, hippoboscid and louse fly are synonyms defined as:

hippoboscid and louse fly: bloodsucking dipterous fly parasitic on birds and mammals

hippoboscid (noun)	louse fly (noun)
bloodsucking dipterous fly parasitic on birds and mammals	bloodsucking dipterous fly parasitic on birds and mammals