The word Stopered is misspelled against Stoppered, which is past tense of "Stopper"
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Stoppered has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings sto & ered which should not be misspelled with single 'P'
Wrong Spelling: sto-p-ered
Correct Spelling: sto-pp-ered
Find more incorrect spellings of Stoppered to spell right way.