The word Troden is misspelled against Trodden, which is past perfect of "Tread."
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Trodden has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Tro & en which should not be misspelled with single 'D'
Wrong Spelling:  Tro-d-en 
Correct Spelling:  Tro-dd-en 
Find more incorrect spellings of Trodden to spell right way.