horse-cart vs cart

horse-cart and cart both are nouns.

Word	Noun	Adjective	Verb	Adverb
horse-cart	Yes	No	No	No
cart	Yes	No	Yes	No

As nouns, cart is a hypernym of horse-cart; that is, cart is a word with a broader meaning than horse-cart:

horse-cart (noun)	cart (noun)
heavy cart; drawn by a horse; used for farm work	a heavy open wagon usually having two wheels and drawn by an animal
	wheeled vehicle that can be pushed by a person; may have one or two or four wheels

horse-cart (verb)	cart (verb)
	draw slowly or heavily
	transport something in a cart