Aseveration or Asseveration: How To spell?
The word Aseveration is misspelled against Asseveration, a noun meaning "The act of asseverating, or that which is asseverated; positive affirmation or assertion; solemn declaration."
Asseveration has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings a & everation which should not be misspelled with single 'S'
Wrong Spelling:  a-s-everation  Correct Spelling:  a-ss-everation 
Find more incorrect spellings of Asseveration to spell right way.