The word Doctres is misspelled against Doctress, a noun meaning "A female doctor."
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Doctress has double 'ss' in the end mispronounced as 's'
Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  doctre-s 
Correct Spelling:  doctre-ss 
Find more incorrect spellings of Doctress to spell right way.