Crossword clues for Ruler. 4 lettersAnswerClueEMIRKuwaiti rulerTSAROne-time Russian rulerCZARBygone rulerTSARPre-1918 Russian rulerINCHRuler measureXENUIntergalactic ruler at the heart of Scientology doctrineEMIRRuler of Qatar, e.g.TSARPre-Soviet rulerCZARRussian ruler of yoreDEYSFormer rulers of TunisIVANMuscovite ruler ___ the Great, 1462-1505ERICName from the Old Norse for "eternal ruler"BEYSOld Tunisian rulersTSARBygone ruler whose name is an anagram of an oathSHAHPersian rulerSHAHReza ___ Pahlavi (one-time ruler of Iran)INCHRuler fractionDOGEVenetian rulerCZARPre-Revolution rulerCRATSuffix meaning "ruler"TSARRuler's title derived from "Caesar"TSARRussian ruler, before 1917ODINRuler at GladsheimODINRuler at ValhallaFOOTRuler's measurementEMIRArab rulerTSARPre-1917 rulerQEIILiner named for a ruler, casuallyCRATRuler (suffix)UMPSDiamond rulersTSARRuler of the Bulgarian EmpireKHANMongol rulerEMIRMiddle Eastern rulerDIONRuler of ancient SyracuseFAROCard game that's a homophone of an ancient Egyptian rulerTSARRussian ruler of yoreINCHRuler divisionTSARRasputin's rulerODINRuler at AsgardTSARHouse of Romanov ruler, e.g.TSARAutocratic rulerANNELast Stuart rulerLAMAThe High ___ (ruler of Shangri-La in "Lost Horizon")DEYSOld rulers of TunisEMIRQatari rulerTSARPre-Russian Revolution rulerOMANCountry with the longest-serving current ruler in the Middle EastTSARRussian rulerSHAHRuler until 1979CZARPowerful ruler of old