Diziness or Dizziness: How To spell?
The word Diziness is misspelled against Dizziness, a noun meaning "Giddiness; a whirling sensation in the head; vertigo."
Dizziness has double "zz" is mispronounced as "z"Remember double 'ZZ' in between the strings di & iness which should not be misspelled with single 'Z'
Wrong Spelling:  di-z-iness  Correct Spelling:  di-zz-iness 
Find more wrongly spelled words of Dizziness to spell it well.