preconception vs persuasion

preconception and persuasion both are nouns.

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

As nouns, persuasion is a hypernym of preconception; that is, persuasion is a word with a broader meaning than preconception:

preconception: an opinion formed beforehand without adequate evidence
persuasion: a personal belief or judgment that is not founded on proof or certainty

Other hypernyms of preconception include opinion, sentiment, thought, view.

preconception (noun)	persuasion (noun)
an opinion formed beforehand without adequate evidence	a personal belief or judgment that is not founded on proof or certainty
a partiality that prevents objective consideration of an issue or situation	the act of persuading (or attempting to persuade); communication intended to induce belief or action