experiment vs inquiry

experiment and inquiry both are nouns.

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

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

Other hypernyms of experiment include enquiry, research.

experiment (noun)	inquiry (noun)
the act of conducting a controlled test or investigation	a systematic investigation of a matter of public interest
a venture at something new or different	a search for knowledge
the testing of an idea	an instance of questioning

experiment (verb)	inquiry (verb)
to conduct a test or investigation
try something new, as in order to gain experience