offer vs offerer

offer and offerer both are nouns.

Word	Noun	Adjective	Verb	Adverb
offer	Yes	No	Yes	No
offerer	Yes	No	No	No

offer (noun)	offerer (noun)
a usually brief attempt	someone who presents something to another for acceptance or rejection
something offered (as a proposal or bid)
the verbal act of offering

offer (verb)	offerer (verb)
put forward for consideration
threaten to do something
ask (someone) to marry you
produce or introduce on the stage
present for acceptance or rejection
propose a payment
give something useful or necessary to
make available for sale
offer verbally
make available; provide
agree freely
mount or put up
present as an act of worship