Codicilary or Codicillary: How To spell?
The word Codicilary is misspelled against Codicillary, an adjective meaning "the nature a codicil."
Codicillary has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings codici & ary which should not be misspelled with single 'L'
Wrong Spelling:  codici-l-ary  Correct Spelling:  codici-ll-ary 
Find more incorrect spellings of Codicillary to spell right way.