dumpcart vs tumbrel

dumpcart and tumbrel both are nouns.

Word	Noun	Adjective	Verb	Adverb
dumpcart	Yes	No	No	No
tumbrel	Yes	No	No	No

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

dumpcart: a cart that can be tilted to empty contents without handling
tumbrel: a farm dumpcart for carrying dung; carts of this type were used to carry prisoners to the guillotine during the French Revolution

Other hyponyms of dumpcart include tumbril.

dumpcart (noun)	tumbrel (noun)
a cart that can be tilted to empty contents without handling	a farm dumpcart for carrying dung; carts of this type were used to carry prisoners to the guillotine during the French Revolution