Stolball or Stoolball: How To spell?

The word Stolball is misspelled against Stoolball, a noun meaning "A kind of game with balls, formerly common in England, esp. with young women."

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

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