Pneumococus or Pneumococcus: How To spell?
The word Pneumococus is misspelled against Pneumococcus, a noun meaning "A form of micrococcus found in the sputum (and elsewhere) of persons suffering with pneumonia, and thought to be the cause of this disease."
Pneumococcus has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings Pneumoco & us which should not be misspelled with single 'C'
Wrong Spelling:  Pneumoco-c-us  Correct Spelling:  Pneumoco-cc-us 
Check more misspelled words of Pneumococcus to spell it correct.