amoeba vs ameba

amoeba and ameba both are nouns.

Word	Noun	Adjective	Verb	Adverb
amoeba	Yes	No	No	No
ameba	Yes	No	No	No

As nouns, amoeba and ameba are synonyms defined as:

amoeba and ameba: naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion

amoeba (noun)	ameba (noun)
naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion	naked freshwater or marine or parasitic protozoa that form temporary pseudopods for feeding and locomotion