Slaming or Slamming: How To spell?
The word Slaming is misspelled against Slamming, which is present continuous of "Slam"
Slamming has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings sla & ing which should not be misspelled with single 'M'
Wrong Spelling:  sla-m-ing  Correct Spelling:  sla-mm-ing 
Find more wrongly spelled words of Slamming to spell it well.