troubleshoot vs repair

troubleshoot is not a noun while repair is a noun.

Word	Noun	Adjective	Verb	Adverb
troubleshoot	No	No	Yes	No
repair	Yes	No	Yes	No

As verbs, repair is a hypernym of troubleshoot; that is, repair is a word with a broader meaning than troubleshoot:

troubleshoot: solve problems
repair: restore by replacing a part or putting together what is torn or broken

Other hypernyms of troubleshoot include bushel, doctor, fix, furbish up, mend, restore, touch on.

troubleshoot (noun)	repair (noun)
	the act of putting something in working order again
	a frequently visited place
	a formal way of referring to the condition of something

troubleshoot (verb)	repair (verb)
solve problems	give new life or energy to
	restore by replacing a part or putting together what is torn or broken
	set straight or right
	move, travel, or proceed toward some place
	make amends for; pay compensation for