toilsome vs punishing

toilsome and punishing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
toilsome	No	Yes	No	No
punishing	No	Yes	No	No

As adjectives, toilsome and punishing are synonyms defined as:

toilsome and punishing: characterized by effort to the point of exhaustion; especially physical effort

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

toilsome (adjective)	punishing (adjective)
characterized by effort to the point of exhaustion; especially physical effort	resulting in punishment
	characterized by effort to the point of exhaustion; especially physical effort