Appeor or Appair: How To spell?

The word Appeor is misspelled against Appair, a verb meaning "To impair; to grow worse."

Word contains consecutive vowels 'AI' in between alphabets app & r is misspelled as 'EO'
Wrong Spelling:  app-eo-r 
Correct Spelling:  app-ai-r 
Find more incorrect spellings of Appair to spell right way.

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