The correct spelling and pronunciation of the word "Koretta" is /kɔːˈrɛtə/. The word is derived from the name of civil rights activist Coretta Scott King, wife of Martin Luther King Jr. The first syllable is pronounced with a long "o" sound, while the second syllable has a short "e" sound. The final "a" in the spelling is pronounced with a schwa sound. It is important to spell and pronounce proper names correctly to show respect and accuracy.