The word Throden is misspelled against Throdden, a verb meaning "To grow; to thrive."
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Throdden has double "dd" is mispronounced as "d"
Remember double 'DD' in between the strings Thro & en which should not be misspelled with single 'D'
Wrong Spelling:  Thro-d-en 
Correct Spelling:  Thro-dd-en 
Find more incorrect spellings of Throdden to spell right way.