minimal art vs minimalism

minimal art and minimalism both are nouns.

Word	Noun	Adjective	Verb	Adverb
minimal art	Yes	No	No	No
minimalism	Yes	No	No	No

As nouns, minimal art and minimalism are synonyms defined as:

minimal art and minimalism: an art movement in sculpture and painting that began in the 1950s and emphasized extreme simplification of form and color

Other synonyms of minimal art include reductivism.

minimal art (noun)	minimalism (noun)
an art movement in sculpture and painting that began in the 1950s and emphasized extreme simplification of form and color	an art movement in sculpture and painting that began in the 1950s and emphasized extreme simplification of form and color