phantasm vs phantasma

phantasm and phantasma both are nouns.

Word	Noun	Adjective	Verb	Adverb
phantasm	Yes	No	No	No
phantasma	Yes	No	No	No

As nouns, phantasm and phantasma are synonyms defined as:

Other synonyms of phantasm include apparition, fantasm, phantom, shadow.

As nouns, phantasm and phantasma are synonyms defined as:

Other synonyms of phantasm include apparition, fantasm, phantom, specter, spectre.

phantasm (noun)	phantasma (noun)
something existing in perception only	something existing in perception only
a ghostly appearing figure	a ghostly appearing figure