Prenstruct or Preinstruct: How To spell?

The word Prenstruct is misspelled against Preinstruct, a verb meaning "To instruct previously or beforehand."

Word contains consecutive vowels 'EI' in between alphabets pr & nstruct is misspelled as 'E' as letter 'I' is phonetically igno
Wrong Spelling:  pr-e-nstruct 
Correct Spelling:  pr-ei-nstruct 
Check more misspelled words of Preinstruct to spell it correct.