red poll vs cows

red poll and cows both are nouns.

Word	Noun	Adjective	Verb	Adverb
red poll	Yes	No	No	No
cows	Yes	No	No	No

As nouns, cows is a hypernym of red poll; that is, cows is a word with a broader meaning than red poll:

Other hypernyms of red poll include Bos taurus, cattle, kine, oxen.

red poll (noun)	cows (noun)
hornless short-haired breed of beef and dairy cattle	domesticated bovine animals as a group regardless of sex or age