Seth or Saith: How To spell?

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

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

You might be interested to know

Sterhead or Stairhead?

Suzerenty or Suzerainty?

Thwete or Thwaite?