Micropterus salmoides vs largemouth

Micropterus salmoides and largemouth both are nouns.

Word	Noun	Adjective	Verb	Adverb
Micropterus salmoides	Yes	No	No	No
largemouth	Yes	No	No	No

As nouns, Micropterus salmoides and largemouth are synonyms defined as:

Micropterus salmoides and largemouth: a large black bass; the angle of the jaw falls behind the eye

Other synonyms of Micropterus salmoides include largemouth bass, largemouth black bass, largemouthed bass, largemouthed black bass.

Micropterus salmoides (noun)	largemouth (noun)
a large black bass; the angle of the jaw falls behind the eye	a large black bass; the angle of the jaw falls behind the eye