anti-aestheticism vs idiom

anti-aestheticism and idiom both are nouns.

Word	Noun	Adjective	Verb	Adverb
anti-aestheticism	Yes	No	No	No
idiom	Yes	No	No	No

As nouns, idiom is a hypernym of anti-aestheticism; that is, idiom is a word with a broader meaning than anti-aestheticism:

anti-aestheticism: opposition to or rejection of the Aesthetic art movement.
idiom: the style of a particular artist or school or movement

Other hypernyms of anti-aestheticism include artistic style.

anti-aestheticism (noun)	idiom (noun)
opposition to or rejection of the Aesthetic art movement.	the style of a particular artist or school or movement
	the usage or vocabulary that is characteristic of a specific group of people
	an expression whose meanings cannot be inferred from the meanings of the words that make it up
	a manner of speaking that is natural to native speakers of a language