Impresing or Impressing: How To spell?
The word Impresing is misspelled against Impressing, which is present continuous of "Impress"
Impressing has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings impre & ing which should not be misspelled with single 'S'
Wrong Spelling:  impre-s-ing  Correct Spelling:  impre-ss-ing 
Find more wrongly spelled words of Impressing to spell it well.