Thereunto or Thereinto: How To spell?

The word Thereunto is misspelled against Thereinto, an adverb meaning "Into that or this, or into that place."

Word contains consecutive vowels 'EI' in between alphabets ther & nto is misspelled as 'EU'
Wrong Spelling:  ther-eu-nto 
Correct Spelling:  ther-ei-nto 
Check more misspelled words of Thereinto to spell it correct.