Presion or Pression: How To spell?
The word Presion is misspelled against Pression, a noun meaning "An endeavor to move."
Pression has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings pre & ion which should not be misspelled with single 'S'
Wrong Spelling:  pre-s-ion  Correct Spelling:  pre-ss-ion 
Find more incorrect spellings of Pression to spell right way.