The word Sexteun is misspelled against Sextain, a noun meaning "A stanza of six lines; a sestine."
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Word contains consecutive vowels 'AI' in between alphabets sext & n is misspelled as 'EU'
Wrong Spelling:  sext-eu-n 
Correct Spelling:  sext-ai-n 
Check more misspelled words of Sextain to spell it correct.