Reasertion or Reassertion: How To spell?
The word Reasertion is misspelled against Reassertion, a noun meaning "A second or renewed assertion of the same thing."
Reassertion has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings rea & ertion which should not be misspelled with single 'S'
Wrong Spelling:  rea-s-ertion  Correct Spelling:  rea-ss-ertion 
Find more incorrect spellings of Reassertion to spell right way.