invigilate vs observe

invigilate and observe both are verbs.

Word	Noun	Adjective	Verb	Adverb
invigilate	No	No	Yes	No
observe	No	No	Yes	No

As verbs, observe is a hypernym of invigilate; that is, observe is a word with a broader meaning than invigilate:

Other hypernyms of invigilate include follow, keep an eye on, watch, watch over.

invigilate (verb)	observe (verb)
watch over (students taking an exam, to prevent cheating)	stick to correctly or closely
	make mention of
	watch attentively
	observe with care or pay close attention to
	discover or determine the existence, presence, or fact of by perception with the eyes
	follow with the eyes or the mind
	show respect towards
	behave as expected during of holidays or rites
	conform one's action or practice to