tumbrel vs tumbril

tumbrel and tumbril both are nouns.

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

As nouns, tumbrel and tumbril are synonyms defined as:

tumbrel and tumbril: a farm dumpcart for carrying dung; carts of this type were used to carry prisoners to the guillotine during the French Revolution

tumbrel (noun)	tumbril (noun)
a farm dumpcart for carrying dung; carts of this type were used to carry prisoners to the guillotine during the French Revolution	a farm dumpcart for carrying dung; carts of this type were used to carry prisoners to the guillotine during the French Revolution