wash up vs wear

wash up is not a noun while wear is a noun.

Word	Noun	Adjective	Verb	Adverb
wash up	No	No	Yes	No
wear	Yes	No	Yes	No

As verbs, wear is a hypernym of wash up; that is, wear is a word with a broader meaning than wash up:

Other hypernyms of wash up include fag, fag out, fatigue, jade, outwear, tire, tire out, wear down, wear out, wear upon, weary.

wash up (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

wash up (verb)	wear (verb)
wash one's face and hands	be dressed in
wear out completely	put clothing on one's body
be carried somewhere by water or as if by water	have or show an appearance of
wash dishes	exhaust or get tired through overuse or great strain or stress
carry somewhere (of water or current or waves)	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