probe vs inquiry

probe and inquiry both are nouns.

Word	Noun	Adjective	Verb	Adverb
probe	Yes	No	Yes	No
inquiry	Yes	No	No	No

As nouns, inquiry is a hypernym of probe; that is, inquiry is a word with a broader meaning than probe:

Other hypernyms of probe include enquiry, research.

probe (noun)	inquiry (noun)
an exploratory action or expedition	a systematic investigation of a matter of public interest
an investigation conducted using a flexible surgical instrument to explore an injury or a body cavity	a search for knowledge
a flexible slender surgical instrument with a blunt end that is used to explore wounds or body cavities	an instance of questioning
an inquiry into unfamiliar or questionable activities

probe (verb)	inquiry (verb)
question or examine thoroughly and closely
examine physically with or as if with a probe