parti pris vs preconceived notion

parti pris and preconceived notion both are nouns.

Word	Noun	Adjective	Verb	Adverb
parti pris	Yes	No	No	No
preconceived notion	Yes	No	No	No

As nouns, parti pris and preconceived notion are synonyms defined as:

parti pris and preconceived notion: an opinion formed beforehand without adequate evidence

Other synonyms of parti pris include preconceived idea, preconceived opinion, preconception, prepossession.

parti pris (noun)	preconceived notion (noun)
an opinion formed beforehand without adequate evidence	an opinion formed beforehand without adequate evidence