Knoped or Knopped: How To spell?
The word Knoped is misspelled against Knopped, an adjective meaning "Having knops or knobs; fastened as with buttons."
Knopped has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings kno & ed which should not be misspelled with single 'P'
Wrong Spelling:  kno-p-ed  Correct Spelling:  kno-pp-ed 
Find more incorrect spellings of Knopped to spell right way.