Spoling or Spooling: How To spell?

The word Spoling is misspelled against Spooling, which is present continuous of "Spool"

Spooling has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings sp & ling which should not be misspelled with single 'O'
Wrong Spelling: sp-o-ling
Correct Spelling: sp-oo-ling
Find more incorrect spellings of Spooling to spell right way.