wear down vs wear

wear down is not a noun while wear is a noun.

Word	Noun	Adjective	Verb	Adverb
wear down	No	No	Yes	No
wear	Yes	No	Yes	No

As verbs, wear down and wear are synonyms defined as:

wear down and wear: exhaust or get tired through overuse or great strain or stress

Other synonyms of wear down include fag, fag out, fatigue, jade, outwear, tire, tire out, wear out, wear upon, weary.

As verbs, wear down and wear are synonyms defined as:

Other synonyms of wear down include wear off, wear out, wear thin.

wear down (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

wear down (verb)	wear (verb)
exhaust or get tired through overuse or great strain or stress	be dressed in
deteriorate through use or stress	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