have on vs wear

have on is not a noun while wear is a noun.

Word	Noun	Adjective	Verb	Adverb
have on	No	No	Yes	No
wear	Yes	No	Yes	No

As verbs, have on and wear are synonyms defined as:

have on (noun)	wear (noun)
	the act of having on your person as a covering or adornment
	a covering designed to be worn on a person's body
	impairment resulting from long use

have on (verb)	wear (verb)
be dressed in	be dressed in
	put clothing on one's body
	have or show an appearance of
	exhaust or get tired through overuse or great strain or stress
	have on one's person
	deteriorate through use or stress
	go to pieces
	last and be usable
	have in one's aspect; wear an expression of one's attitude or personality