The word Mulatress is misspelled against Mulattress, a noun meaning "A female mulatto."
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Mulattress has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings mula & ress which should not be misspelled with single 'T'
Wrong Spelling:  mula-t-ress 
Correct Spelling:  mula-tt-ress 
Check more misspelled words of Mulattress to spell it correct.