Comonness or Commonness: How To spell?
The word Comonness is misspelled against Commonness, a noun meaning "State or quality of being common or usual; as, the commonness of sunlight."
Commonness has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings co & onness which should not be misspelled with single 'M'
Wrong Spelling:  co-m-onness  Correct Spelling:  co-mm-onness 
Find more incorrect spellings of Commonness to spell right way.