Rassertion or Reassertion: How To spell?

The word Rassertion is misspelled against Reassertion, a noun meaning "A second or renewed assertion of the same thing."

Reassertion has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets r & ssertion is misspelled as 'A'
Wrong Spelling:  r-a-ssertion 
Correct Spelling:  r-ea-ssertion 
Find more incorrect spellings of Reassertion to spell right way.

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