The word Gabling is misspelled against Gabbling, which is present continuous of "Gabble"
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Gabbling has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Ga & ling which should not be misspelled with single 'B'
Wrong Spelling:  Ga-b-ling 
Correct Spelling:  Ga-bb-ling 
Find more wrongly spelled words of Gabbling to spell it well.