Diambus or Diiambus: How To spell?

The word Diambus is misspelled against Diiambus, a noun meaning "A double iambus; a foot consisting of two iambuses (/ / / /)."

Diiambus has double "ii" is mispronounced as "i"
Remember double 'II' in between the strings d & ambus which should not be misspelled with single 'I'
Wrong Spelling:  d-i-ambus 
Correct Spelling:  d-ii-ambus 
Check more misspelled words of Diiambus to spell it correct.