Duena or Duenna: How To spell?
The word Duena is misspelled against Duenna, a noun meaning "An elderly lady holding a station between a governess and companion, and appointed to have charge over the younger ladies in a Spanish or a Portuguese family."
Duenna has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings due & a which should not be misspelled with single 'N'
Wrong Spelling:  due-n-a  Correct Spelling:  due-nn-a 
Check more misspelled words of Duenna to spell it correct.