silver-tip vs grizzly bear

silver-tip and grizzly bear both are nouns.

Word	Noun	Adjective	Verb	Adverb
silver-tip	Yes	No	No	No
grizzly bear	Yes	No	No	No

As nouns, silver-tip and grizzly bear are synonyms defined as:

silver-tip and grizzly bear: powerful brownish-yellow bear of the uplands of western North America

Other synonyms of silver-tip include grizzly, silvertip, Ursus arctos horribilis, Ursus horribilis.

silver-tip (noun)	grizzly bear (noun)
powerful brownish-yellow bear of the uplands of western North America	powerful brownish-yellow bear of the uplands of western North America