The word Dialing is misspelled against Dialling, which is present continuous of "Dial"
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Dialling has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings dia & ing which should not be misspelled with single 'L'
Wrong Spelling: dia-l-ing
Correct Spelling: dia-ll-ing
Find more wrongly spelled words of Dialling to spell it well.