suasion vs persuasion

suasion and persuasion both are nouns.

Word	Noun	Adjective	Verb	Adverb
suasion	Yes	No	No	No
persuasion	Yes	No	No	No

As nouns, suasion and persuasion are synonyms defined as:

suasion and persuasion: the act of persuading (or attempting to persuade); communication intended to induce belief or action

suasion (noun)	persuasion (noun)
the act of persuading (or attempting to persuade); communication intended to induce belief or action	a personal belief or judgment that is not founded on proof or certainty
	the act of persuading (or attempting to persuade); communication intended to induce belief or action