Counterviled or Countervailed: How To spell?

The word Counterviled is misspelled against Countervailed, which is past tense of "Countervail"

Word contains consecutive vowels 'AI' in between alphabets counterv & led is misspelled as 'I'
Wrong Spelling:  counterv-i-led 
Correct Spelling:  counterv-ai-led 
Check more misspelled words of Countervailed to spell it correct.

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