Bobin or Bobbin: How To spell?
The word Bobin is misspelled against Bobbin, a noun meaning "A cylindrical or spool-shaped coil or insulated wire, usually containing a core of soft iron which becomes magnetic when the wire is traversed by an electrical current."
Bobbin has double "bb" is mispronounced as "b"Remember double 'BB' in between the strings Bo & in which should not be misspelled with single 'B'
Wrong Spelling:  Bo-b-in  Correct Spelling:  Bo-bb-in 
Find more incorrect spellings of Bobbin to spell right way.