Duenas or Duennas: How To spell?
The word Duenas is misspelled against Duennas, which is plural of "Duenna"
Duennas has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings due & as which should not be misspelled with single 'N'
Wrong Spelling:  due-n-as  Correct Spelling:  due-nn-as 
Check more misspelled words of Duennas to spell it correct.