Sponwort or Spoonwort: How To spell?
The word Sponwort is misspelled against Spoonwort, a noun meaning "Scurvy grass."
Spoonwort has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings sp & nwort which should not be misspelled with single 'O'
Wrong Spelling:  sp-o-nwort  Correct Spelling:  sp-oo-nwort 
Find more incorrect spellings of Spoonwort to spell right way.