Abstuner or Abstainer: How To spell?

The word Abstuner is misspelled against Abstainer, a noun meaning "One who abstains; esp., one who abstains from the use of intoxicating liquors."

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

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