Asignability or Assignability: How To spell?
The word Asignability is misspelled against Assignability, a noun meaning "The quality of being assignable."
Assignability has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings a & ignability which should not be misspelled with single 'S'
Wrong Spelling:  a-s-ignability  Correct Spelling:  a-ss-ignability 
Find more wrongly spelled words of Assignability to spell it well.