relict vs geological formation

relict and geological formation both are nouns.

Word	Noun	Adjective	Verb	Adverb
relict	Yes	No	No	No
geological formation	Yes	No	No	No

As nouns, geological formation is a hypernym of relict; that is, geological formation is a word with a broader meaning than relict:

relict: geological feature that is a remnant of a pre-existing formation after other parts have disappeared
geological formation: (geology) the geological features of the earth

Other hypernyms of relict include formation.

relict (noun)	geological formation (noun)
geological feature that is a remnant of a pre-existing formation after other parts have disappeared	(geology) the geological features of the earth
an organism or species surviving as a remnant of an otherwise extinct flora or fauna in an environment much changed from that in which it originated