allopatric vs allopatry

allopatric is not a noun while allopatry is a noun.

Word	Noun	Adjective	Verb	Adverb
allopatric	No	Yes	No	No
allopatry	Yes	No	No	No

allopatric (noun)	allopatry (noun)
	the occurrence of related organisms in separate geographical areas with no overlap

allopatric (adjective)	allopatry (adjective)
(of biological species or speciation) occurring in areas isolated geographically from one another