Thereagean or Thereagain: How To spell?

The word Thereagean is misspelled against Thereagain, an adverb meaning "In opposition; against one's course."

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

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