Overfrieghting or Overfreighting: How To spell?

The word Overfrieghting is misspelled against Overfreighting, which is present continuous of "Overfreight"

Word contains consecutive vowels 'EI' in between alphabets overfr & ghting is misspelled as 'IE'
Wrong Spelling:  overfr-ie-ghting 
Correct Spelling:  overfr-ei-ghting 
Find more wrongly spelled words of Overfreighting to spell it well.