The word Appal is misspelled against Appall, meaning "To fill with dismay or horror."
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Appall has double 'll' in the end mispronounced as 'l'
Remember double 'LL' appears in the end of this word which should not be misspelled with single 'L'
Wrong Spelling:  appa-l 
Correct Spelling:  appa-ll 
Browse incorrect spellings of Appall to spell it good.