cinnamon bear vs black bear

cinnamon bear and black bear both are nouns.

Word	Noun	Adjective	Verb	Adverb
cinnamon bear	Yes	No	No	No
black bear	Yes	No	No	No

As nouns, black bear is a hypernym of cinnamon bear; that is, black bear is a word with a broader meaning than cinnamon bear:

cinnamon bear: reddish-brown color phase of the American black bear
black bear: brown to black North American bear; smaller and less ferocious than the brown bear

Other hypernyms of cinnamon bear include American black bear, Euarctos americanus, Ursus americanus.

cinnamon bear (noun)	black bear (noun)
reddish-brown color phase of the American black bear	brown to black North American bear; smaller and less ferocious than the brown bear
	bear with a black coat living in central and eastern Asia