common raccoon vs raccoon

common raccoon and raccoon both are nouns.

Word	Noun	Adjective	Verb	Adverb
common raccoon	Yes	No	No	No
raccoon	Yes	No	No	No

As nouns, raccoon is a hypernym of common raccoon; that is, raccoon is a word with a broader meaning than common raccoon:

common raccoon: North American raccoon
raccoon: an omnivorous nocturnal mammal native to North America and Central America

Other hypernyms of common raccoon include racoon.

common raccoon (noun)	raccoon (noun)
North American raccoon	an omnivorous nocturnal mammal native to North America and Central America
	the fur of the North American racoon