Thebead or Thebaid: How To spell?

The word Thebead is misspelled against Thebaid, a noun meaning "A Latin epic poem by Statius about Thebes in Boeotia."

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

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