chopsteak vs hamburger steak

chopsteak and hamburger steak both are nouns.

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

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

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

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