Oposum or Opossum: How To spell?
The word Oposum is misspelled against Opossum, a noun meaning "Any American marsupial of the genera Didelphys and Chironectes. The common species of the United States is Didelphys Virginiana."
Opossum has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings opo & um which should not be misspelled with single 'S'
Wrong Spelling:  opo-s-um  Correct Spelling:  opo-ss-um 
Check more misspelled words of Opossum to spell it correct.