Now compare the masculine and feminine paradigms directly.
FeminineMasculinePosition
نُصْرَىٰأَنْصَرُsingular
نُصْرَيَانِأَنْصَرَانِdual
نُصْرَيَاتٌأَنْصَرُوْنَsound plural
نُصَرٌأَنَاصِرُbroken plural
This gives one complete eight-form comparative map: four masculine and four feminine.