Commoness or Commonness: How To spell?
The word Commoness is misspelled against Commonness, a noun meaning "State or quality of being common or usual; as, the commonness of sunlight."
Commonness has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings commo & ess which should not be misspelled with single 'N'
Wrong Spelling:  commo-n-ess  Correct Spelling:  commo-nn-ess 
Find more incorrect spellings of Commonness to spell right way.