Sponworm or Spoonworm: How To spell?
The word Sponworm is misspelled against Spoonworm, a noun meaning "A gephyrean worm of the genus Thalassema, having a spoonlike probiscis."
Spoonworm has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings sp & nworm which should not be misspelled with single 'O'
Wrong Spelling:  sp-o-nworm  Correct Spelling:  sp-oo-nworm 
Find more incorrect spellings of Spoonworm to spell right way.