fatigue vs weary

fatigue is a noun but weary is not a noun.

Word	Noun	Adjective	Verb	Adverb
fatigue	Yes	No	Yes	No
weary	No	Yes	Yes	No

As verbs, fatigue and weary are synonyms defined as:

fatigue and weary: exhaust or get tired through overuse or great strain or stress

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

As verbs, fatigue and weary are synonyms defined as:

fatigue and weary: lose interest or become bored with something or somebody

Other synonyms of fatigue include jade, pall, tire.

fatigue (noun)	weary (noun)
labor of a nonmilitary kind done by soldiers (cleaning or digging or draining or so on)
(always used with a modifier) boredom resulting from overexposure to something
temporary loss of strength and energy resulting from hard physical or mental work
used of materials (especially metals) in a weakened state caused by long stress

fatigue (adjective)	weary (adjective)
	physically and mentally fatigued

fatigue (verb)	weary (verb)
exhaust or get tired through overuse or great strain or stress	exhaust or get tired through overuse or great strain or stress
lose interest or become bored with something or somebody	lose interest or become bored with something or somebody