crater vs formation

crater and formation both are nouns.

Word	Noun	Adjective	Verb	Adverb
crater	Yes	No	No	No
formation	Yes	No	No	No

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

Other hypernyms of crater include geological formation.

crater (noun)	formation (noun)
a bowl-shaped depression formed by the impact of a meteorite or bomb	the act of fabricating something in a particular shape
a bowl-shaped geological formation at the top of a volcano	the act of forming or establishing something
	creation by mental activity
	a particular spatial arrangement
	an arrangement of people or things acting as a unit
	(geology) the geological features of the earth
	natural process that causes something to form