The word Shudered is misspelled against Shuddered, which is past tense of "Shudder"
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Shuddered has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Shu & ered which should not be misspelled with single 'D'
Wrong Spelling:  Shu-d-ered 
Correct Spelling:  Shu-dd-ered 
Check more misspelled words of Shuddered to spell it correct.