Dereonment or Derainment: How To spell?

The word Dereonment is misspelled against Derainment, a noun meaning "The act of deraigning."

Word contains consecutive vowels 'AI' in between alphabets der & nment is misspelled as 'EO'
Wrong Spelling:  der-eo-nment 
Correct Spelling:  der-ai-nment 
Find more incorrect spellings of Derainment to spell right way.

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