labor vs bear

labor and bear both are nouns.

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

labor (noun)	bear (noun)
productive work (especially physical work done for wages)	massive plantigrade carnivorous or omnivorous mammals with long shaggy coats and strong claws
any piece of work that is undertaken or attempted	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
a social class comprising those who do manual labor or work for wages
an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement
concluding state of pregnancy; from the onset of contractions to the birth of a child

labor (verb)	bear (verb)
undergo the efforts of childbirth	be pregnant with
work hard	cause to be born
strive and make an effort to reach a goal	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