Coroval or Corroval: How To spell?

The word Coroval is misspelled against Corroval, a noun meaning "A dark brown substance of vegetable origin, allied to curare, and used by the natives of New Granada as an arrow poison."

--> Corroval has double "rr" is mispronounced as "r"
Remember double 'RR' in between the strings co & oval which should not be misspelled with single 'R'
Wrong Spelling:  co-r-oval 
Correct Spelling:  co-rr-oval 
Find more incorrect spellings of Corroval to spell right way.

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