cart vs laundry cart

cart and laundry cart both are nouns.

Word	Noun	Adjective	Verb	Adverb
cart	Yes	No	Yes	No
laundry cart	Yes	No	No	No

As nouns, laundry cart is a hyponym of cart; that is, laundry cart is a word with a more specific, narrower meaning than cart:

cart: wheeled vehicle that can be pushed by a person; may have one or two or four wheels
laundry cart: handcart for moving a load of laundry

cart (noun)	laundry cart (noun)
a heavy open wagon usually having two wheels and drawn by an animal	handcart for moving a load of laundry
wheeled vehicle that can be pushed by a person; may have one or two or four wheels

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