Verb
to reiterate [ reiterated ; reiterated ]
to reprise [ reprised ; reprised ]
to iterate [ iterated ; iterated ]
to clarify [ clarified ; clarified ]
to purify [ purified ; purified ]
to redouble [ redoubled ; redoubled ]
to refine [ refined ; refined ] , {chem.}
كرر {كمياء}
to rehearse [ rehearsed ; rehearsed ]
to renew [ renewed ; renewed ]
to reinstate {relations}
to clear {up}
...
rectify {chem.}
كرر {التقطير}، {كمياء}