restart vs resume

restart is not a noun while resume is a noun.

Word	Noun	Adjective	Verb	Adverb
restart	No	No	Yes	No
resume	Yes	No	Yes	No

As verbs, restart and resume are synonyms defined as:

Other synonyms of restart include re-start.

restart (noun)	resume (noun)
	short descriptive summary (of events)
	a summary of your academic and work history

restart (verb)	resume (verb)
take up or begin anew	take up or begin anew
start an engine again, for example	return to a previous location or condition
	give a summary (of)
	assume anew