beef patty vs chopsteak

beef patty and chopsteak both are nouns.

Word	Noun	Adjective	Verb	Adverb
beef patty	Yes	No	No	No
chopsteak	Yes	No	No	No

As nouns, beef patty and chopsteak are synonyms defined as:

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

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