nosedive vs aviation

nosedive and aviation both are nouns.

Word	Noun	Adjective	Verb	Adverb
nosedive	Yes	No	Yes	No
aviation	Yes	No	No	No

nosedive (noun)	aviation (noun)
a steep nose-down descent by an aircraft	travel via aircraft
a sudden sharp drop or rapid decline	the art of operating aircraft
	the aggregation of a country's military aircraft
	the operation of aircraft to provide transportation

nosedive (verb)	aviation (verb)
plunge nose first; drop with the nose or front first, of aircraft