The word Spoled is misspelled against Spooled, which is past tense of "Spool"
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Spooled has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings sp & led which should not be misspelled with single 'O'
Wrong Spelling:  sp-o-led 
Correct Spelling:  sp-oo-led 
Find more incorrect spellings of Spooled to spell right way.