Asimilation or Assimilation: How To spell?
The word Asimilation is misspelled against Assimilation, a noun meaning "The act or process of assimilating or bringing to a resemblance, likeness, or identity; also, the state of being so assimilated; as, the assimilation of one sound to another."
Assimilation has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings a & imilation which should not be misspelled with single 'S'
Wrong Spelling:  a-s-imilation  Correct Spelling:  a-ss-imilation 
Find more incorrect spellings of Assimilation to spell right way.