hamburger steak vs chopsteak

hamburger steak and chopsteak both are nouns.

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

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

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

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