consequential vs consequence

consequential is not a noun while consequence is a noun.

Word	Noun	Adjective	Verb	Adverb
consequential	No	Yes	No	No
consequence	Yes	No	No	No

consequential (noun)	consequence (noun)
	having important effects or influence
	the outcome of an event especially as relative to an individual
	a phenomenon that follows and is caused by some previous phenomenon

consequential (adjective)	consequence (adjective)
having important issues or results