The word Diamb is misspelled against Diiamb, a noun meaning "A diiambus."
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Diiamb has double "ii" is mispronounced as "i"
Remember double 'II' in between the strings d & amb which should not be misspelled with single 'I'
Wrong Spelling:  d-i-amb 
Correct Spelling:  d-ii-amb 
Find more wrongly spelled words of Diiamb to spell it well.