Bysine or Byssine: How To spell?
The word Bysine is misspelled against Byssine, an adjective meaning "Made of silk; having a silky or flaxlike appearance."
Byssine has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings by & ine which should not be misspelled with single 'S'
Wrong Spelling:  by-s-ine  Correct Spelling:  by-ss-ine 
Find more wrongly spelled words of Byssine to spell it well.