Battledor or Battledoor: How To spell?

The word Battledor is misspelled against Battledoor, a noun meaning "A child's hornbook."

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