Lewison or Lewisson: How To spell?
The word Lewison is misspelled against Lewisson, a noun meaning "A kind of shears used in cropping woolen cloth."
Lewisson has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings lewi & on which should not be misspelled with single 'S'
Wrong Spelling:  lewi-s-on  Correct Spelling:  lewi-ss-on 
Find more incorrect spellings of Lewisson to spell right way.