racialism vs racial discrimination

racialism and racial discrimination both are nouns.

Word	Noun	Adjective	Verb	Adverb
racialism	Yes	No	No	No
racial discrimination	Yes	No	No	No

As nouns, racialism and racial discrimination are synonyms defined as:

racialism and racial discrimination: discriminatory or abusive behavior towards members of another race

Other synonyms of racialism include racism.

racialism (noun)	racial discrimination (noun)
discriminatory or abusive behavior towards members of another race	discriminatory or abusive behavior towards members of another race