Waughlock or Weighlock: How To spell?

The word Waughlock is misspelled against Weighlock, a noun meaning "A lock, as on a canal, in which boats are weighed and their tonnage is settled."

Word contains consecutive vowels 'EI' in between alphabets w & ghlock is misspelled as 'AU'
Wrong Spelling:  w-au-ghlock 
Correct Spelling:  w-ei-ghlock 
Check more misspelled words of Weighlock to spell it correct.