bloodsucker vs hirudinean

bloodsucker and hirudinean both are nouns.

Word	Noun	Adjective	Verb	Adverb
bloodsucker	Yes	No	No	No
hirudinean	Yes	No	No	No

As nouns, bloodsucker and hirudinean are synonyms defined as:

bloodsucker and hirudinean: carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end

Other synonyms of bloodsucker include leech.

bloodsucker (noun)	hirudinean (noun)
carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end	carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end