racial discrimination vs racialism

racial discrimination and racialism both are nouns.

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

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

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

Other synonyms of racial discrimination include racism.

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