Heleborin or Helleborin: How To spell?

The word Heleborin is misspelled against Helleborin, a noun meaning "A poisonous glucoside found in several species of hellebore, and extracted as a white crystalline substance with a sharp tingling taste. It possesses the essential virtues of the plant; -- called also elleborin."

Helleborin has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings he & eborin which should not be misspelled with single 'L'
Wrong Spelling:  he-l-eborin 
Correct Spelling:  he-ll-eborin 
Find more incorrect spellings of Helleborin to spell right way.