Lepisosteus osseus vs gar

Lepisosteus osseus and gar both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lepisosteus osseus	Yes	No	No	No
gar	Yes	No	No	No

As nouns, Lepisosteus osseus and gar are synonyms defined as:

Lepisosteus osseus and gar: primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth

Other synonyms of Lepisosteus osseus include billfish, garfish, garpike.

Lepisosteus osseus (noun)	gar (noun)
primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth	primitive predaceous North American fish covered with hard scales and having long jaws with needlelike teeth
	elongate European surface-dwelling predacious fishes with long toothed jaws; abundant in coastal waters