Jamed or Jammed: How To spell?
The word Jamed is misspelled against Jammed, which is past tense of "Jam"
Jammed has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings ja & ed which should not be misspelled with single 'M'
Wrong Spelling:  ja-m-ed  Correct Spelling:  ja-mm-ed 
Explore spell check of Jammed to spell without errors.