Gibered or Gibbered: How To spell?

The word Gibered is misspelled against Gibbered, which is past tense of "Gibber"

Gibbered has double "bb" is mispronounced as "b"
Remember double 'BB' in between the strings Gi & ered which should not be misspelled with single 'B'
Wrong Spelling:  Gi-b-ered 
Correct Spelling:  Gi-bb-ered 
Find more wrongly spelled words of Gibbered to spell it well.

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