Gaynsay or Gainsay: How To spell?

The word Gaynsay is misspelled against Gainsay, meaning "to deny to oppose"

Word contains consecutive vowels 'AI' in between alphabets g & nsay is misspelled as 'AY'
Wrong Spelling:  g-ay-nsay 
Correct Spelling:  g-ai-nsay 
Browse incorrect spellings of Gainsay to spell it good.

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