climatology vs meteorology

climatology and meteorology both are nouns.

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

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

climatology: meteorology of climates and their phenomena
meteorology: the earth science dealing with phenomena of the atmosphere (especially weather)

climatology (noun)	meteorology (noun)
meteorology of climates and their phenomena	the earth science dealing with phenomena of the atmosphere (especially weather)
	predicting what the weather will be