The word Demuring is misspelled against Demurring, which is present continuous of "Demur"
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Demurring has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings demu & ing which should not be misspelled with single 'R'
Wrong Spelling:  demu-r-ing 
Correct Spelling:  demu-rr-ing 
Check more misspelled words of Demurring to spell it correct.