Grubing or Grubbing: How To spell?

The word Grubing is misspelled against Grubbing, which is present continuous of "Grub"

Grubbing has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Gru & ing which should not be misspelled with single 'B'
Wrong Spelling: Gru-b-ing
Correct Spelling: Gru-bb-ing
Check more misspelled words of Grubbing to spell it correct.