folium vs formation

folium and formation both are nouns.

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

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

Other hypernyms of folium include geological formation.

folium (noun)	formation (noun)
a thin layer or stratum of (especially metamorphic) rock	the act of fabricating something in a particular shape
	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