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