Piazas or Piazzas: How To spell?
The word Piazas is misspelled against Piazzas, which is plural of "Piazza"
Piazzas has double "zz" is mispronounced as "z"Remember double 'ZZ' in between the strings pia & as which should not be misspelled with single 'Z'
Wrong Spelling:  pia-z-as  Correct Spelling:  pia-zz-as 
Find more wrongly spelled words of Piazzas to spell it well.