Thimbleriger or Thimblerigger: How To spell?
The word Thimbleriger is misspelled against Thimblerigger, a noun meaning "One who cheats by thimblerigging, or tricks of legerdemain."
Thimblerigger has double "gg" is mispronounced as "g"Remember double 'GG' in between the strings thimbleri & er which should not be misspelled with single 'G'
Wrong Spelling:  thimbleri-g-er  Correct Spelling:  thimbleri-gg-er 
Find more wrongly spelled words of Thimblerigger to spell it well.