Commercialy or Commercially: How To spell?
The word Commercialy is misspelled against Commercially, an adverb meaning "In a commercial manner."
Commercially has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings commercia & y which should not be misspelled with single 'L'
Wrong Spelling:  commercia-l-y  Correct Spelling:  commercia-ll-y 
Find more incorrect spellings of Commercially to spell right way.