Vitelus or Vitellus: How To spell?
The word Vitelus is misspelled against Vitellus, a noun meaning "Perisperm in an early condition."
Vitellus has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings vite & us which should not be misspelled with single 'L'
Wrong Spelling:  vite-l-us  Correct Spelling:  vite-ll-us 
Check more misspelled words of Vitellus to spell it correct.