boeuf vs hamburger

boeuf and hamburger both are nouns.

Word	Noun	Adjective	Verb	Adverb
boeuf	Yes	No	No	No
hamburger	Yes	No	No	No

As nouns, hamburger is a hyponym of boeuf; that is, hamburger is a word with a more specific, narrower meaning than boeuf:

Other hyponyms of boeuf include ground beef, bully beef, corn beef, corned beef, pastrami.

boeuf (noun)	hamburger (noun)
meat from an adult domestic bovine	beef that has been ground
	a sandwich consisting of a fried cake of minced beef served on a bun, often with other ingredients