Aniversary or Anniversary: How To spell?
The word Aniversary is misspelled against Anniversary, a noun meaning "The annual return of the day on which any notable event took place, or is wont to be celebrated; as, the anniversary of the Declaration of Independence."
Anniversary has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings a & iversary which should not be misspelled with single 'N'
Wrong Spelling:  a-n-iversary  Correct Spelling:  a-nn-iversary 
Find more wrongly spelled words of Anniversary to spell it well.