Seath or Saith: How To spell?

The word Seath is misspelled against Saith, which is past tense of "Say."

Word contains consecutive vowels 'AI' in between alphabets s & th is misspelled as 'EA'
Wrong Spelling:  s-ea-th 
Correct Spelling:  s-ai-th 
Explore spell check of Saith to spell without errors.

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