Anelida or Annelida: How To spell?
The word Anelida is misspelled against Annelida, a noun meaning "A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs. The principal subdivisions are the Chaetopoda, including the Oligochaeta or earthworms and Polychaeta or marine worms; and the Hirudinea or leeches. See Chaetopoda."
Annelida has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings a & elida which should not be misspelled with single 'N'
Wrong Spelling:  a-n-elida  Correct Spelling:  a-nn-elida 
Find more wrongly spelled words of Annelida to spell it well.