Vanilyl or Vanillyl: How To spell?

The word Vanilyl is misspelled against Vanillyl, a noun meaning "The hypothetical radical characteristic of vanillic alcohol."

Vanillyl has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings vani & yl which should not be misspelled with single 'L'
Wrong Spelling:  vani-l-yl 
Correct Spelling:  vani-ll-yl 
Find more wrongly spelled words of Vanillyl to spell it well.