Gaynsayd or Gainsaid: How To spell?

The word Gaynsayd is misspelled against Gainsaid, which is past tense of "Gainsay"

Word contains consecutive vowels 'AI' twice is misspelled as 'AY'
Wrong Spelling:  g-ay-ns-ay-d 
Correct Spelling:  g-ai-ns-ai-d 
Browse incorrect spellings of Gainsaid to spell it good.

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