bear vs bearer

bear and bearer both are nouns.

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

bear (noun)	bearer (noun)
massive plantigrade carnivorous or omnivorous mammals with long shaggy coats and strong claws	a messenger who bears or presents
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	one of the mourners carrying the coffin at a funeral
	the person who is in possession of a check or note or bond or document of title that is endorsed to him or to whoever holds it
	someone whose employment involves carrying something

bear (verb)	bearer (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