Ursidae vs bear

Ursidae and bear both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ursidae	Yes	No	No	No
bear	Yes	No	Yes	No

Ursidae (noun)	bear (noun)
bears and extinct related forms	massive plantigrade carnivorous or omnivorous mammals with long shaggy coats and strong claws
	an investor with a pessimistic market outlook; an investor who expects prices to fall and so sells now in order to buy later at a lower price

Ursidae (verb)	bear (verb)
	be pregnant with
	cause to be born
	have on one's person
	behave in a certain manner; show a certain behavior; conduct or comport oneself
	put up with something or somebody unpleasant
	move while holding up or supporting
	support or hold in a certain manner
	bring forth
	maintain (a theory, thoughts, or feelings)
	have rightfully; of rights, titles, and offices
	bring in
	take on as one's own the expenses or debts of another person
	have
	contain or hold; have within