interrogate vs ask

interrogate and ask both are verbs.

Word	Noun	Adjective	Verb	Adverb
interrogate	No	No	Yes	No
ask	No	No	Yes	No

As verbs, ask is a hypernym of interrogate; that is, ask is a word with a broader meaning than interrogate:

Other hypernyms of interrogate include enquire, inquire.

interrogate (verb)	ask (verb)
pose a series of questions to	make a request or demand for something to somebody
transmit (a signal) for setting off an appropriate response, as in telecommunication	direct or put; seek an answer to
	address a question to and expect an answer from
	consider obligatory; request and expect
	require or ask for as a price or condition
	make a date
	require as useful, just, or proper