clegg vs horsefly

clegg and horsefly both are nouns.

Word	Noun	Adjective	Verb	Adverb
clegg	Yes	No	No	No
horsefly	Yes	No	No	No

As nouns, clegg and horsefly are synonyms defined as:

clegg and horsefly: large swift fly the female of which sucks blood of various animals

Other synonyms of clegg include cleg, horse fly.

clegg (noun)	horsefly (noun)
large swift fly the female of which sucks blood of various animals	large swift fly the female of which sucks blood of various animals
	winged fly parasitic on horses