horseleech vs hirudinean

horseleech and hirudinean both are nouns.

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

As nouns, hirudinean is a hypernym of horseleech; that is, hirudinean is a word with a broader meaning than horseleech:

horseleech: any of several large freshwater leeches
hirudinean: carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end

Other hypernyms of horseleech include bloodsucker, leech.

horseleech (noun)	hirudinean (noun)
any of several large freshwater leeches	carnivorous or bloodsucking aquatic or terrestrial worms typically having a sucker at each end