Asimilative or Assimilative: How To spell?
The word Asimilative is misspelled against Assimilative, an adjective meaning "Tending to, or characterized by, assimilation; that assimilates or causes assimilation; as, an assimilative process or substance."
Assimilative has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings a & imilative which should not be misspelled with single 'S'
Wrong Spelling:  a-s-imilative  Correct Spelling:  a-ss-imilative 
Find more wrongly spelled words of Assimilative to spell it well.