Thereagon or Thereagain: How To spell?

The word Thereagon 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 'O'
Wrong Spelling:  thereag-o-n 
Correct Spelling:  thereag-ai-n 
Find more incorrect spellings of Thereagain to spell right way.

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