Riger or Rigger: How To spell?
The word Riger is misspelled against Rigger, a noun meaning "A cylindrical pulley or drum in machinery."
Rigger has double "gg" is mispronounced as "g"Remember double 'GG' in between the strings ri & er which should not be misspelled with single 'G'
Wrong Spelling:  ri-g-er  Correct Spelling:  ri-gg-er 
Find more wrongly spelled words of Rigger to spell it well.