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