The word Dibled is misspelled against Dibbled, which is past tense of "Dibble"
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Dibbled has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Di & led which should not be misspelled with single 'B'
Wrong Spelling:  Di-b-led 
Correct Spelling:  Di-bb-led 
Find more wrongly spelled words of Dibbled to spell it well.