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