In legal|lang=en terms the difference between recognitor and recognizor
is that recognitor is (legal) one of a jury impaneled on an assize while recognizor is (legal) one who enters into a recognizance.
As nouns the difference between recognitor and recognizor
is that recognitor is (legal) one of a jury impaneled on an assize while recognizor is (legal) one who enters into a recognizance.