abattoir vs butchery

abattoir and butchery both are nouns.

Word	Noun	Adjective	Verb	Adverb
abattoir	Yes	No	No	No
butchery	Yes	No	No	No

As nouns, abattoir and butchery are synonyms defined as:

Other synonyms of abattoir include shambles, slaughterhouse.

abattoir (noun)	butchery (noun)
a building where animals are butchered	the business of a butcher
	the savage and excessive killing of many people
	a building where animals are butchered