Grubla or Grubbla: How To spell?
The word Grubla is misspelled against Grubbla, a verb meaning "To feel or grope in the dark."
Grubbla has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Gru & la which should not be misspelled with single 'B'
Wrong Spelling:  Gru-b-la  Correct Spelling:  Gru-bb-la 
Check more misspelled words of Grubbla to spell it correct.