Slabering or Slabbering: How To spell?
The word Slabering is misspelled against Slabbering, which is present continuous of "Slabber"
Slabbering has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Sla & ering which should not be misspelled with single 'B'
Wrong Spelling:  Sla-b-ering  Correct Spelling:  Sla-bb-ering 
Find more wrongly spelled words of Slabbering to spell it well.