fag vs wear upon

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

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

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

fag and wear upon: 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 down, wear out, weary.

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

fag (verb)	wear upon (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
act as a servant for older boys, in British public schools