Bysoid or Byssoid: How To spell?
The word Bysoid is misspelled against Byssoid, an adjective meaning "Byssaceous."
Byssoid has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings by & oid which should not be misspelled with single 'S'
Wrong Spelling:  by-s-oid  Correct Spelling:  by-ss-oid 
Find more incorrect spellings of Byssoid to spell right way.