rump vs cut of beef

rump and cut of beef both are nouns.

Word	Noun	Adjective	Verb	Adverb
rump	Yes	No	No	No
cut of beef	Yes	No	No	No

As nouns, cut of beef is a hypernym of rump; that is, cut of beef is a word with a broader meaning than rump:

rump (noun)	cut of beef (noun)
the part of an animal that corresponds to the human buttocks	cut of meat from beef cattle
the fleshy part of the human body that you sit on
fleshy hindquarters; behind the loin and above the round