Seac or Saic: How To spell?

The word Seac is misspelled against Saic, a noun meaning "A kind of ketch very common in the Levant, which has neither topgallant sail nor mizzen topsail."

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

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