Koser or Kaiser: How To spell?

The word Koser is misspelled against Kaiser, a noun meaning "The ancient title of emperors of Germany assumed by King William of Prussia when crowned sovereign of the new German empire in 1871."

--> Word contains consecutive vowels 'AI' in between alphabets k & ser is misspelled as 'O'
Wrong Spelling:  k-o-ser 
Correct Spelling:  k-ai-ser 
Find more incorrect spellings of Kaiser to spell right way.

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