theatrology vs arts

theatrology and arts both are nouns.

Word	Noun	Adjective	Verb	Adverb
theatrology	Yes	No	No	No
arts	Yes	No	No	No

As nouns, arts is a hypernym of theatrology; that is, arts is a word with a broader meaning than theatrology:

theatrology: the study of theatrical performance in relation to its literary, physical, psycho-biological, sociological, and historical contexts.
arts: studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills)

Other hypernyms of theatrology include humanistic discipline, humanities, liberal arts.

theatrology (noun)	arts (noun)
the study of theatrical performance in relation to its literary, physical, psycho-biological, sociological, and historical contexts.	studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills)