bear vs labour

bear and labour both are nouns.

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

bear (noun)	labour (noun)
massive plantigrade carnivorous or omnivorous mammals with long shaggy coats and strong claws	productive work (especially physical work done for wages)
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	any piece of work that is undertaken or attempted
	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

bear (verb)	labour (verb)
be pregnant with	undergo the efforts of childbirth
cause to be born	work hard
have on one's person	strive and make an effort to reach a goal
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