Difference between Butchery and Abattoir

What is the difference between Butchery and Abattoir?

Butchery as a noun is the cruel, ruthless killings of humans, as at a slaughterhouse. while Abattoir as a noun is a public slaughterhouse for cattle, sheep, etc.

We hope you now know whether to use Butchery or Abattoir in your sentence.