Gensayer or Gainsayer: How To spell?

The word Gensayer is misspelled against Gainsayer, a noun meaning "One who gainsays, contradicts, or denies."

Word contains consecutive vowels 'AI' in between alphabets g & nsayer is misspelled as 'E'
Wrong Spelling:  g-e-nsayer 
Correct Spelling:  g-ai-nsayer 
Explore spell check of Gainsayer to spell without errors.

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