near vs close

near is not a noun while close is a noun.

Word	Noun	Adjective	Verb	Adverb
near	No	Yes	Yes	Yes
close	Yes	Yes	Yes	Yes

As adjectives, near and close are synonyms defined as:

near and close: not far distant in time or space or degree or circumstances

Other synonyms of near include nigh.

As adjectives, near and close are synonyms defined as:

Other synonyms of near include cheeseparing, penny-pinching, skinny.

As adverbs, near and close are synonyms defined as:

Other synonyms of near include nigh.

As verbs, close is a hyponym of near; that is, close is a word with a more specific, narrower meaning than near:

Other hyponyms of near include drive up, bear down on, bear down upon, edge in, edge up, crowd, push.

near (noun)	close (noun)
	the concluding part of any performance
	the last section of a communication
	the temporal end; the concluding time

near (adjective)	close (adjective)
not far distant in time or space or degree or circumstances	at or within a short distance in space or time or having elements near each other
closely resembling the genuine article	close in relevance or relationship
with or in a close or intimate relationship	not far distant in time or space or degree or circumstances
being on the left side	marked by fidelity to an original
giving or spending with reluctance	rigorously attentive; strict and thorough
very close in resemblance	crowded
	(of a contest or contestants) evenly matched
	of textiles
	confined to specific persons
	strictly confined or guarded
	used of hair or haircuts
	giving or spending with reluctance
	fitting closely but comfortably
	inclined to secrecy or reticence about divulging information
	lacking fresh air

near (verb)	close (verb)
move towards	finish a game in baseball by protecting a lead
	complete a business deal, negotiation, or an agreement
	move so that an opening or passage is obstructed; make shut
	become closed
	bar access to
	fill or stop up
	bring together all the elements or parts of
	unite or bring into contact or bring together the edges of
	change one's body stance so that the forward shoulder and foot are closer to the intended point of impact
	come together, as if in an embrace
	draw near
	cause a window or an application to disappear on a computer desktop
	cease to operate or cause to cease operating
	finish or terminate (meetings, speeches, etc.)
	engage at close quarters
	come to a close
	be priced or listed when trading stops

near (adverb)	close (adverb)
near in time or place or relationship	near in time or place or relationship
(of actions or states) slightly short of or not quite accomplished; all but	in an attentive manner