Knobed or Knobbed: How To spell?
The word Knobed is misspelled against Knobbed, an adjective meaning "Containing knobs; full of knobs; ending in a nob. See Illust of Antenna."
Knobbed has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Kno & ed which should not be misspelled with single 'B'
Wrong Spelling:  Kno-b-ed  Correct Spelling:  Kno-bb-ed 
Find more incorrect spellings of Knobbed to spell right way.