Perier or Perrier: How To spell?
The word Perier is misspelled against Perrier, a noun meaning "A short mortar used formerly for throwing stone shot."
Perrier has double "rr" is mispronounced as "r"Remember double 'RR' in between the strings pe & ier which should not be misspelled with single 'R'
Wrong Spelling:  pe-r-ier  Correct Spelling:  pe-rr-ier 
Find more wrongly spelled words of Perrier to spell it well.