Hereynafter or Hereinafter: How To spell?

The word Hereynafter is misspelled against Hereinafter, an adverb meaning "In the following part of this (writing, document, speech, and the like)."

--> Word contains consecutive vowels 'EI' in between alphabets her & nafter is misspelled as 'EY'
Wrong Spelling:  her-ey-nafter 
Correct Spelling:  her-ei-nafter 
Explore spell check of Hereinafter to spell without errors.

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