Herinbefore or Hereinbefore: How To spell?

The word Herinbefore is misspelled against Hereinbefore, an adverb meaning "In the preceding part of this (writing, document, book, etc.)."

--> Word contains consecutive vowels 'EI' in between alphabets her & nbefore is misspelled as 'I' as letter 'E' is phonetically ign
Wrong Spelling:  her-i-nbefore 
Correct Spelling:  her-ei-nbefore 
Find more incorrect spellings of Hereinbefore to spell right way.

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