fauvism vs artistic movement

fauvism and artistic movement both are nouns.

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

As nouns, artistic movement is a hypernym of fauvism; that is, artistic 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
artistic movement: a group of artists who agree on general principles

Other hypernyms of fauvism include art movement.

fauvism (noun)	artistic 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