chopped steak vs chop steak

chopped steak and chop steak both are nouns.

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

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

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

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