Smothly or Smoothly: How To spell?
The word Smothly is misspelled against Smoothly, an adverb meaning "In a smooth manner."
Smoothly has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings sm & thly which should not be misspelled with single 'O'
Wrong Spelling:  sm-o-thly  Correct Spelling:  sm-oo-thly 
Find more incorrect spellings of Smoothly to spell right way.