Quarelling or Quarrelling: How To spell?
The word Quarelling is misspelled against Quarrelling, which is present continuous of "Quarrel"
Quarrelling has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings qua & elling which should not be misspelled with single 'R'
Wrong Spelling:  qua-r-elling  Correct Spelling:  qua-rr-elling 
Check more misspelled words of Quarrelling to spell it correct.