chopsteak vs chopped steak

chopsteak and chopped steak both are nouns.

Word	Noun	Adjective	Verb	Adverb
chopsteak	Yes	No	No	No
chopped steak	Yes	No	No	No

As nouns, chopsteak and chopped steak are synonyms defined as:

Other synonyms of chopsteak include beef patty, chop steak, hamburger steak.

chopsteak (noun)	chopped steak (noun)
a patty of ground cooked beef	a patty of ground cooked beef