beefalo vs beef

beefalo and beef both are nouns.

Word	Noun	Adjective	Verb	Adverb
beefalo	Yes	No	No	No
beef	Yes	No	Yes	No

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

beefalo: hardy breed of cattle resulting from crossing domestic cattle with the American buffalo; yields leaner beef than conventional breeds
beef: cattle that are reared for their meat

Other hypernyms of beefalo include beef cattle.

beefalo (noun)	beef (noun)
hardy breed of cattle resulting from crossing domestic cattle with the American buffalo; yields leaner beef than conventional breeds	cattle that are reared for their meat
	informal terms for objecting
	meat from an adult domestic bovine

beefalo (verb)	beef (verb)
	complain