Pistaren or Pistareen: How To spell?
The word Pistaren is misspelled against Pistareen, a noun meaning "An old Spanish silver coin of the value of about twenty cents."
Pistareen has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Pistar & n which should not be misspelled with single 'E'
Wrong Spelling:  Pistar-e-n  Correct Spelling:  Pistar-ee-n 
Find more wrongly spelled words of Pistareen to spell it well.