paleoclimatology vs archaeology

paleoclimatology and archaeology both are nouns.

Word	Noun	Adjective	Verb	Adverb
paleoclimatology	Yes	No	No	No
archaeology	Yes	No	No	No

As nouns, archaeology is a hypernym of paleoclimatology; that is, archaeology is a word with a broader meaning than paleoclimatology:

paleoclimatology: the study of the climate of past ages
archaeology: the branch of anthropology that studies prehistoric people and their cultures

Other hypernyms of paleoclimatology include archeology.

paleoclimatology (noun)	archaeology (noun)
the study of the climate of past ages	the branch of anthropology that studies prehistoric people and their cultures