formality vs conformation

formality and conformation both are nouns.

Word	Noun	Adjective	Verb	Adverb
formality	Yes	No	No	No
conformation	Yes	No	No	No

As nouns, conformation is a hypernym of formality; that is, conformation is a word with a broader meaning than formality:

Other hypernyms of formality include abidance, compliance, conformity.

formality (noun)	conformation (noun)
compliance with formal rules	acting according to certain accepted standards
a manner that strictly observes all forms and ceremonies	any spatial attributes (especially as defined by outline)
a requirement of etiquette or custom	a symmetrical arrangement of the parts of a thing