Slopiness or Sloppiness: How To spell?
The word Slopiness is misspelled against Sloppiness, a noun meaning "The quality or state of being sloppy; muddiness."
Sloppiness has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings slo & iness which should not be misspelled with single 'P'
Wrong Spelling:  slo-p-iness  Correct Spelling:  slo-pp-iness 
Find more incorrect spellings of Sloppiness to spell right way.