aerology vs meteorology

aerology and meteorology both are nouns.

Word	Noun	Adjective	Verb	Adverb
aerology	Yes	No	No	No
meteorology	Yes	No	No	No

As nouns, meteorology is a hypernym of aerology; that is, meteorology is a word with a broader meaning than aerology:

aerology: meteorology of the total extent of the atmosphere; especially the upper layers
meteorology: the earth science dealing with phenomena of the atmosphere (especially weather)

aerology (noun)	meteorology (noun)
meteorology of the total extent of the atmosphere; especially the upper layers	the earth science dealing with phenomena of the atmosphere (especially weather)
	predicting what the weather will be