fag vs wear down

fag is a noun but wear down is not a noun.

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

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

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

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

fag (noun)	wear down (noun)
finely ground tobacco wrapped in paper; for smoking
offensive term for a homosexual man

fag (verb)	wear down (verb)
exhaust or get tired through overuse or great strain or stress	exhaust or get tired through overuse or great strain or stress
work hard	deteriorate through use or stress
act as a servant for older boys, in British public schools