Pesary or Pessary: How To spell?
The word Pesary is misspelled against Pessary, a noun meaning "A medicinal substance in the form of a bolus or mass, designed for introduction into the vagina; a vaginal suppository."
Pessary has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings pe & ary which should not be misspelled with single 'S'
Wrong Spelling:  pe-s-ary  Correct Spelling:  pe-ss-ary 
Explore spell check of Pessary to spell without errors.