Caesar
Kaiser
anointed king
chief
chieftain
crowned head
czar
dynast
grand duke
high chief
imperator
kaiserling
king
king-emperor
kinglet
lord paramount
majesty
mikado
monarch
overlord
paramount
petty king
potentate
prince
prince consort
royal
royal personage
royalty
ruler
sovereign
suzerain
tetrarch
saturniid
saturniid moth
vinifera grape
God
baron
bishop
captain
conqueror
duke
empire
governor
hero
poet
queen
uncle