overfatigue vs wear upon

overfatigue and wear upon both are verbs.

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

As verbs, wear upon is a hypernym of overfatigue; that is, wear upon is a word with a broader meaning than overfatigue:

Other hypernyms of overfatigue include fag, fag out, fatigue, jade, outwear, tire, tire out, wear, wear down, wear out, weary.

overfatigue (verb)	wear upon (verb)
tire excessively	exhaust or get tired through overuse or great strain or stress