Captun or Captain: How To spell?

The word Captun is misspelled against Captain, a noun meaning "A head, or chief officer"

Word contains consecutive vowels 'AI' in between alphabets capt & n is misspelled as 'U'
Wrong Spelling:  capt-u-n 
Correct Spelling:  capt-ai-n 
Check more misspelled words of Captain to spell it correct.

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