twin
noun
°Either of two people (or, less commonly, animals) who shared the same uterus at the same time; one who was born at the same birth as a sibling.
°Either of two similar or closely related objects, entities etc.
adjective
°Forming a pair of twins.
°Forming a matched pair.
verb
°To separate, divide.
°To split, part; to go away, depart.