dilapidate vs wear away

dilapidate and wear away both are verbs.

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

As verbs, wear away is a hyponym of dilapidate; that is, wear away is a word with a more specific, narrower meaning than dilapidate:

Other hyponyms of dilapidate include deteriorate, corrode, rust, weather, eat at, erode, gnaw, gnaw at, droop, wilt, ruin, break, bust, fall apart, wear, wear out.

dilapidate (verb)	wear away (verb)
fall into decay or ruin	become ground down or deteriorate
bring into a condition of decay or partial ruin by neglect or misuse	diminish, as by friction
	cut away in small pieces