rhizopodan vs protozoon

rhizopodan and protozoon both are nouns.

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

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

rhizopodan: protozoa characterized by a pseudopod
protozoon: any of diverse minute acellular or unicellular organisms usually nonphotosynthetic

Other hypernyms of rhizopodan include protozoan.

rhizopodan (noun)	protozoon (noun)
protozoa characterized by a pseudopod	any of diverse minute acellular or unicellular organisms usually nonphotosynthetic