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