Overfreght or Overfreight: How To spell?

The word Overfreght is misspelled against Overfreight, a verb meaning "To put too much freight in or upon; to load too full, or too heavily; to overload."

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