Welhead or Wellhead: How To spell?
The word Welhead is misspelled against Wellhead, a noun meaning "A source, spring, or fountain."
Wellhead has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings we & head which should not be misspelled with single 'L'
Wrong Spelling:  we-l-head  Correct Spelling:  we-ll-head 
Explore spell check of Wellhead to spell without errors.