Corovaline or Corrovaline: How To spell?

The word Corovaline is misspelled against Corrovaline, a noun meaning "A poisonous alkaloid extracted from corroval, and characterized by its immediate action in paralyzing the heart."

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

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