Naivi or Naevi: How To spell?

The word Naivi is misspelled against Naevi, which is plural of "Navus"

Naevi has vowels 'ae' together mispronounced as 'ai'
Word contains consecutive vowels 'AE' in between alphabets n & vi is misspelled as 'AI'
Wrong Spelling:  n-ai-vi 
Correct Spelling:  n-ae-vi 
Find more wrongly spelled words of Naevi to spell it well.

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