fatigue vs war machine

fatigue and war machine both are nouns.

Word	Noun	Adjective	Verb	Adverb
fatigue	Yes	No	Yes	No
war machine	Yes	No	No	No

fatigue (noun)	war machine (noun)
labor of a nonmilitary kind done by soldiers (cleaning or digging or draining or so on)	the military forces of a nation
(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 (verb)	war machine (verb)
exhaust or get tired through overuse or great strain or stress
lose interest or become bored with something or somebody