confrontation vs comparing

confrontation and comparing both are nouns.

Word	Noun	Adjective	Verb	Adverb
confrontation	Yes	No	No	No
comparing	Yes	No	No	No

As nouns, comparing is a hypernym of confrontation; that is, comparing is a word with a broader meaning than confrontation:

confrontation: a focussed comparison; bringing together for a careful comparison
comparing: the act of examining resemblances

Other hypernyms of confrontation include comparison.

confrontation (noun)	comparing (noun)
the act of hostile groups opposing each other	the act of examining resemblances
a focussed comparison; bringing together for a careful comparison
a hostile disagreement face-to-face
a bold challenge
discord resulting from a clash of ideas or opinions