Libretos or Librettos: How To spell?

The word Libretos is misspelled against Librettos, which is plural of "Libretto"

Librettos has double "tt" is mispronounced as "t"
Remember double 'TT' in between the strings libre & os which should not be misspelled with single 'T'
Wrong Spelling:  libre-t-os 
Correct Spelling:  libre-tt-os 
Find more incorrect spellings of Librettos to spell right way.

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