Chored or Chaired: How To spell?

The word Chored is misspelled against Chaired, which is past tense of "Chair"

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

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