unpleasant woman vs cow

unpleasant woman and cow both are nouns.

Word	Noun	Adjective	Verb	Adverb
unpleasant woman	Yes	No	No	No
cow	Yes	No	Yes	No

As nouns, cow is a hyponym of unpleasant woman; that is, cow is a word with a more specific, narrower meaning than unpleasant woman:

Other hyponyms of unpleasant woman include bag, old bag, dragon, tartar, dog, frump, she-devil, shrew, termagant, harpy, hellcat, vixen.

unpleasant woman (noun)	cow (noun)
a woman who is an unpleasant person	female of domestic cattle:
	mature female of mammals of which the male is called `bull'
	a large unpleasant woman

unpleasant woman (verb)	cow (verb)
	subdue, restrain, or overcome by affecting with a feeling of awe; frighten (as with threats)