Knaped or Knapped: How To spell?
The word Knaped is misspelled against Knapped, which is past tense of "Knap"
Knapped has double "pp" is mispronounced as "p"Remember double 'PP' in between the strings kna & ed which should not be misspelled with single 'P'
Wrong Spelling:  kna-p-ed  Correct Spelling:  kna-pp-ed 
Explore spell check of Knapped to spell without errors.