wear away vs wear off

wear away and wear off both are verbs.

Word	Noun	Adjective	Verb	Adverb
wear away	No	No	Yes	No
wear off	No	No	Yes	No

As verbs, wear away and wear off are synonyms defined as:

wear away (verb)	wear off (verb)
become ground down or deteriorate	deteriorate through use or stress
diminish, as by friction	diminish, as by friction
cut away in small pieces