fauvism vs art movement

fauvism and art movement both are nouns.

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

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

fauvism: an art movement launched in 1905 whose work was characterized by bright and nonnatural colors and simple forms; influenced the expressionists
art movement: a group of artists who agree on general principles

Other hypernyms of fauvism include artistic movement.

fauvism (noun)	art movement (noun)
an art movement launched in 1905 whose work was characterized by bright and nonnatural colors and simple forms; influenced the expressionists	a group of artists who agree on general principles