Philygenin or Phillygenin: How To spell?
The word Philygenin is misspelled against Phillygenin, a noun meaning "A pearly crystalline substance obtained by the decomposition of phillyrin."
Phillygenin has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings phi & ygenin which should not be misspelled with single 'L'
Wrong Spelling:  phi-l-ygenin  Correct Spelling:  phi-ll-ygenin 
Find more wrongly spelled words of Phillygenin to spell it well.