Etolin or Etoolin: How To spell?

The word Etolin is misspelled against Etoolin, a noun meaning "A yellowish coloring matter found in plants grown in darkness, which is supposed to be an antecedent condition of chlorophyll."

Etoolin has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings et & lin which should not be misspelled with single 'O'
Wrong Spelling:  et-o-lin 
Correct Spelling:  et-oo-lin 
Find more incorrect spellings of Etoolin to spell right way.

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