operose vs grueling

operose and grueling both are adjectives.

Word	Noun	Adjective	Verb	Adverb
operose	No	Yes	No	No
grueling	No	Yes	No	No

As adjectives, operose and grueling are synonyms defined as:

operose and grueling: characterized by effort to the point of exhaustion; especially physical effort

Other synonyms of operose include arduous, backbreaking, gruelling, hard, heavy, laborious, punishing, toilsome.

operose (adjective)	grueling (adjective)
characterized by effort to the point of exhaustion; especially physical effort	characterized by effort to the point of exhaustion; especially physical effort