Overwegh or Overweigh: How To spell?

The word Overwegh is misspelled against Overweigh, a verb meaning "To exceed in weight; to overbalance; to weigh down."

Word contains consecutive vowels 'EI' in between alphabets overw & gh is misspelled as 'E' as letter 'I' is phonetically ignore
Wrong Spelling:  overw-e-gh 
Correct Spelling:  overw-ei-gh 
Explore spell check of Overweigh to spell without errors.