weapon vs suasion

weapon and suasion both are nouns.

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

As nouns, suasion is a hypernym of weapon; that is, suasion is a word with a broader meaning than weapon:

weapon: a means of persuading or arguing
suasion: the act of persuading (or attempting to persuade); communication intended to induce belief or action

Other hypernyms of weapon include persuasion.

weapon (noun)	suasion (noun)
any instrument or instrumentality used in fighting or hunting	the act of persuading (or attempting to persuade); communication intended to induce belief or action
a means of persuading or arguing