poster vs post

poster and post both are nouns.

Word	Noun	Adjective	Verb	Adverb
poster	Yes	No	No	No
post	Yes	No	Yes	No

poster (noun)	post (noun)
a horse kept at an inn or post house for use by mail carriers or for rent to travelers	a job in an organization
a sign posted in a public place as an advertisement	the delivery and collection of letters and packages
someone who pastes up bills or placards on walls or billboards	an upright consisting of a piece of timber or metal fixed firmly in an upright position
	military installation at which a body of troops is stationed
	the system whereby messages are transmitted via the post office
	a pole or stake set up to mark something (as the start or end of a race track)
	A message on a social media website
	any particular collection of letters or packages that is delivered
	the position where someone (as a guard or sentry) stands or is assigned to stand

poster (verb)	post (verb)
	display, as of records in sports games
	mark or expose as infamous
	cause to be directed or transmitted to another place
	publicize with, or as if with, a poster
	To post a message on a social media website
	assign to a station
	place so as to be noticed
	mark with a stake
	affix in a public place or for public notice
	ride Western style and bob up and down in the saddle in rhythm with a horse's trotting gait
	transfer (entries) from one account book to another
	enter on a public list
	assign to a post; put into a post