Sibens or Sibbens: How To spell?
The word Sibens is misspelled against Sibbens, a noun meaning "A contagious disease, endemic in Scotland, resembling the yaws. It is marked by ulceration of the throat and nose and by pustules and soft fungous excrescences upon the surface of the body. In the Orkneys the name is applied to the itch."
Sibbens has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Si & ens which should not be misspelled with single 'B'
Wrong Spelling:  Si-b-ens  Correct Spelling:  Si-bb-ens 
Find more wrongly spelled words of Sibbens to spell it well.