Panus or Pannus: How To spell?
The word Panus is misspelled against Pannus, a noun meaning "A very vascular superficial opacity of the cornea, usually caused by granulation of the eyelids."
Pannus has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings pa & us which should not be misspelled with single 'N'
Wrong Spelling:  pa-n-us  Correct Spelling:  pa-nn-us 
Check more misspelled words of Pannus to spell it correct.