gar vs Lepisosteus osseus

gar and Lepisosteus osseus both are nouns.

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

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

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

Other synonyms of gar include billfish, garfish, garpike.

gar (noun)	Lepisosteus osseus (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