verbal noun of خَالَفَ (ḵālafa) (form III) / controversy, disagreement / something else, other than, aside from, except

after / behind

willow (Salix spp.) / oleaster (Elaeagnus angustifolia and other species)

on opposite (sides)

verbal noun of خَلَفَ (ḵalafa) (form I) / succession / state of being a deputy or successor / caliphate (the position of, or state ruled by, a caliph)