Droping or Dropping: How To spell?
The word Droping is misspelled against Dropping, a noun meaning "That which falls in drops; the excrement or dung of animals."
Dropping has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings dro & ing which should not be misspelled with single 'P'
Wrong Spelling:  dro-p-ing  Correct Spelling:  dro-pp-ing 
Find more incorrect spellings of Dropping to spell right way.