Welhole or Wellhole: How To spell?
The word Welhole is misspelled against Wellhole, a noun meaning "A cavity which receives a counterbalancing weight in certain mechanical contrivances, and is adapted also for other purposes."
Wellhole has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings we & hole which should not be misspelled with single 'L'
Wrong Spelling:  we-l-hole  Correct Spelling:  we-ll-hole 
Find more incorrect spellings of Wellhole to spell right way.