Abstaner or Abstainer: How To spell?

The word Abstaner 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 'A'
Wrong Spelling:  abst-a-ner 
Correct Spelling:  abst-ai-ner 
Explore spell check of Abstainer to spell without errors.

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