Sylabarium or Syllabarium: How To spell?
The word Sylabarium is misspelled against Syllabarium, a noun meaning "A syllabary."
Syllabarium has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings sy & abarium which should not be misspelled with single 'L'
Wrong Spelling:  sy-l-abarium  Correct Spelling:  sy-ll-abarium 
Check more misspelled words of Syllabarium to spell it correct.