atopognosia vs atopognosis

atopognosia and atopognosis both are nouns.

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

As nouns, atopognosia and atopognosis are synonyms defined as:

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

atopognosia (noun)	atopognosis (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