Grosification or Grossification: How To spell?
The word Grosification is misspelled against Grossification, a noun meaning "The act of making gross or thick, or the state of becoming so."
Grossification has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings gro & ification which should not be misspelled with single 'S'
Wrong Spelling:  gro-s-ification  Correct Spelling:  gro-ss-ification 
Find more incorrect spellings of Grossification to spell right way.