position vs post

position and post both are nouns.

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

As nouns, position and post are synonyms defined as:

Other synonyms of position include berth, office, place, situation.

As nouns, post is a hyponym of position; that is, post is a word with a more specific, narrower meaning than position:

position: the particular portion of space occupied by something
post: the position where someone (as a guard or sentry) stands or is assigned to stand

position (noun)	post (noun)
the act of putting something in a certain place	a job in an organization
a job in an organization	the delivery and collection of letters and packages
(in team sports) the role assigned to an individual player	an upright consisting of a piece of timber or metal fixed firmly in an upright position
the post or function properly or customarily occupied or served by another	military installation at which a body of troops is stationed
the act of positing; an assumption taken as a postulate or axiom	the system whereby messages are transmitted via the post office
the spatial property of a place where or way in which something is situated	a pole or stake set up to mark something (as the start or end of a race track)
the arrangement of the body and its limbs	A message on a social media website
a way of regarding situations or topics etc.	any particular collection of letters or packages that is delivered
a rationalized mental attitude	the position where someone (as a guard or sentry) stands or is assigned to stand
an opinion that is held in opposition to another in an argument or dispute
an item on a list or in a sequence
the particular portion of space occupied by something
a point occupied by troops for tactical reasons
the appropriate or customary location
the relative position or standing of things or especially persons in a society
a condition or position in which you find yourself

position (verb)	post (verb)
put into a certain place or abstract location	display, as of records in sports games
cause to be in an appropriate place, state, or relation	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