The word Gladened is misspelled against Gladdened, which is past tense of "Gladden"
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Gladdened has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Gla & ened which should not be misspelled with single 'D'
Wrong Spelling:  Gla-d-ened 
Correct Spelling:  Gla-dd-ened 
Explore spell check of Gladdened to spell without errors.