Hippobosca equina vs horse tick

Hippobosca equina and horse tick both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hippobosca equina	Yes	No	No	No
horse tick	Yes	No	No	No

As nouns, Hippobosca equina and horse tick are synonyms defined as:

Other synonyms of Hippobosca equina include horsefly.

Hippobosca equina (noun)	horse tick (noun)
winged fly parasitic on horses	winged fly parasitic on horses