hog sucker vs Hypentelium nigricans

hog sucker and Hypentelium nigricans both are nouns.

Word	Noun	Adjective	Verb	Adverb
hog sucker	Yes	No	No	No
Hypentelium nigricans	Yes	No	No	No

As nouns, hog sucker and Hypentelium nigricans are synonyms defined as:

hog sucker and Hypentelium nigricans: widely distributed in warm clear shallow streams

Other synonyms of hog sucker include hog molly.

hog sucker (noun)	Hypentelium nigricans (noun)
widely distributed in warm clear shallow streams	widely distributed in warm clear shallow streams