bruitism vs art movement

bruitism and art movement both are nouns.

Word	Noun	Adjective	Verb	Adverb
bruitism	Yes	No	No	No
art movement	Yes	No	No	No

As nouns, art movement is a hypernym of bruitism; that is, art movement is a word with a broader meaning than bruitism:

bruitism: The use in music of sounds taken from an extra-musical source or context. The term is used most often of percussion or of electronic music that suggests the sounds of machinery.
art movement: a group of artists who agree on general principles

Other hypernyms of bruitism include artistic movement.

bruitism (noun)	art movement (noun)
The use in music of sounds taken from an extra-musical source or context. The term is used most often of percussion or of electronic music that suggests the sounds of machinery.	a group of artists who agree on general principles