Refroner or Refrainer: How To spell?

The word Refroner is misspelled against Refrainer, a noun meaning "One who refrains."

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

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