Medi or Medii: How To spell?
The word Medi is misspelled against Medii, which is plural of "Medius"
Medii has double 'ii' in the end mispronounced as 'i'Remember double 'II' appears in the end of this word which should not be misspelled with single 'I'
Wrong Spelling:  med-i  Correct Spelling:  med-ii 
Find more wrongly spelled words of Medii to spell it well.