Impresion or Impression: How To spell?
The word Impresion is misspelled against Impression, a noun meaning "A print on paper from a wood block, metal plate, or the like."
Impression has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings impre & ion which should not be misspelled with single 'S'
Wrong Spelling:  impre-s-ion  Correct Spelling:  impre-ss-ion 
Find more incorrect spellings of Impression to spell right way.