query vs inquiry

query and inquiry both are nouns.

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

As nouns, query and inquiry are synonyms defined as:

Other synonyms of query include enquiry, interrogation, question.

query (noun)	inquiry (noun)
an instance of questioning	a systematic investigation of a matter of public interest
	a search for knowledge
	an instance of questioning

query (verb)	inquiry (verb)
pose a question