bloodthirsty vs sanguinary

bloodthirsty and sanguinary both are adjectives.

Word	Noun	Adjective	Verb	Adverb
bloodthirsty	No	Yes	No	No
sanguinary	No	Yes	No	No

As adjectives, bloodthirsty and sanguinary are synonyms defined as:

bloodthirsty and sanguinary: marked by eagerness to resort to violence and bloodshed

Other synonyms of bloodthirsty include bloody-minded.

bloodthirsty (adjective)	sanguinary (adjective)
marked by eagerness to resort to violence and bloodshed	marked by eagerness to resort to violence and bloodshed
	accompanied by bloodshed