Lisencephala or Lissencephala: How To spell?
The word Lisencephala is misspelled against Lissencephala, a noun meaning "A general name for all those placental mammals that have a brain with few or no cerebral convolutions, as Rodentia, Insectivora, etc."
Lissencephala has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings li & encephala which should not be misspelled with single 'S'
Wrong Spelling:  li-s-encephala  Correct Spelling:  li-ss-encephala 
Find more wrongly spelled words of Lissencephala to spell it well.