persuasion vs suasion

persuasion and suasion both are nouns.

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

As nouns, persuasion and suasion are synonyms defined as:

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

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