sarcodinian vs protozoon

sarcodinian and protozoon both are nouns.

Word	Noun	Adjective	Verb	Adverb
sarcodinian	Yes	No	No	No
protozoon	Yes	No	No	No

As nouns, protozoon is a hypernym of sarcodinian; that is, protozoon is a word with a broader meaning than sarcodinian:

sarcodinian: protozoa that move and capture food by forming pseudopods
protozoon: any of diverse minute acellular or unicellular organisms usually nonphotosynthetic

Other hypernyms of sarcodinian include protozoan.

sarcodinian (noun)	protozoon (noun)
protozoa that move and capture food by forming pseudopods	any of diverse minute acellular or unicellular organisms usually nonphotosynthetic