invigilation vs supervising

invigilation and supervising both are nouns.

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

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

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

Other hypernyms of invigilation include oversight, superintendence, supervision.

invigilation (noun)	supervising (noun)
keeping watch over examination candidates to prevent cheating	management by overseeing the performance or operation of a person or group