invigilation vs oversight

invigilation and oversight both are nouns.

Word	Noun	Adjective	Verb	Adverb
invigilation	Yes	No	No	No
oversight	Yes	No	No	No

As nouns, oversight is a hypernym of invigilation; that is, oversight is a word with a broader meaning than invigilation:

invigilation: keeping watch over examination candidates to prevent cheating
oversight: management by overseeing the performance or operation of a person or group

Other hypernyms of invigilation include superintendence, supervising, supervision.

invigilation (noun)	oversight (noun)
keeping watch over examination candidates to prevent cheating	a mistake resulting from inattention
	management by overseeing the performance or operation of a person or group
	an unintentional omission resulting from failure to notice something