Herin or Herein: How To spell?

The word Herin is misspelled against Herein, an adverb meaning "In this."

Word contains consecutive vowels 'EI' in between alphabets her & n is misspelled as 'I' as letter 'E' is phonetically ignored
Wrong Spelling:  her-i-n 
Correct Spelling:  her-ei-n 
Find more wrongly spelled words of Herein to spell it well.