theatre studies vs theatrology

theatre studies and theatrology both are nouns.

Word	Noun	Adjective	Verb	Adverb
theatre studies	Yes	No	No	No
theatrology	Yes	No	No	No

As nouns, theatre studies and theatrology are synonyms defined as:

theatre studies and theatrology: the study of theatrical performance in relation to its literary, physical, psycho-biological, sociological, and historical contexts.

theatre studies (noun)	theatrology (noun)
the study of theatrical performance in relation to its literary, physical, psycho-biological, sociological, and historical contexts.	the study of theatrical performance in relation to its literary, physical, psycho-biological, sociological, and historical contexts.