Phelogen or Phellogen: How To spell?
The word Phelogen is misspelled against Phellogen, a noun meaning "The tissue of young cells which produces cork cells."
Phellogen has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings phe & ogen which should not be misspelled with single 'L'
Wrong Spelling:  phe-l-ogen  Correct Spelling:  phe-ll-ogen 
Find more incorrect spellings of Phellogen to spell right way.