The word Riger is misspelled against Rigger, a noun meaning "A cylindrical pulley or drum in machinery."
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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.