Bladered or Bladdered: How To spell?

The word Bladered is misspelled against Bladdered, which is past tense of "Bladder"

Bladdered has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Bla & ered which should not be misspelled with single 'D'
Wrong Spelling:  Bla-d-ered 
Correct Spelling:  Bla-dd-ered 
Explore spell check of Bladdered to spell without errors.

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