marine archeology vs archeology

marine archeology and archeology both are nouns.

Word	Noun	Adjective	Verb	Adverb
marine archeology	Yes	No	No	No
archeology	Yes	No	No	No

As nouns, archeology is a hypernym of marine archeology; that is, archeology is a word with a broader meaning than marine archeology:

marine archeology: the archeology of underwater sites
archeology: the branch of anthropology that studies prehistoric people and their cultures

Other hypernyms of marine archeology include archaeology.

marine archeology (noun)	archeology (noun)
the archeology of underwater sites	the branch of anthropology that studies prehistoric people and their cultures