the.com/korol
the slavic word for king, one letter away from coronation and one czar away from empire.
means a slavic-language noun meaning king, used across russian, polish, czech, and other slavic tongues and surnames.
from traces back to charlemagne (karl der grosse), whose name became so synonymous with royal power that slavic languages turned karol/korol into the generic word for king.
eponymnamed after an actual holy roman emperor
cousin wordskrol (polish), kral (czech), karal (bulgarian)
surname usecommon last name across eastern europe today