atopognosis vs atopognosia

atopognosis and atopognosia both are nouns.

Word	Noun	Adjective	Verb	Adverb
atopognosis	Yes	No	No	No
atopognosia	Yes	No	No	No

As nouns, atopognosis and atopognosia are synonyms defined as:

atopognosis and atopognosia: absence or loss of topognosia; inability to locate correctly a point of touch

atopognosis (noun)	atopognosia (noun)
absence or loss of topognosia; inability to locate correctly a point of touch	absence or loss of topognosia; inability to locate correctly a point of touch