butchery vs bloodbath

butchery and bloodbath both are nouns.

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

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

Other hyponyms of butchery include battue, bloodletting, bloodshed.

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