Stiliform or Stilliform: How To spell?
The word Stiliform is misspelled against Stilliform, an adjective meaning "Having the form of a drop."
Stilliform has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings sti & iform which should not be misspelled with single 'L'
Wrong Spelling:  sti-l-iform  Correct Spelling:  sti-ll-iform 
Find more incorrect spellings of Stilliform to spell right way.