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