Alvi or Alvei: How To spell?

The word Alvi is misspelled against Alvei, which is plural of "Alveus"

Word end with consecutive vowels 'EI' preceded by alphabets 'alv' is misspelled as 'I' as letter 'E' is phonetically ignored
Wrong Spelling:  alv-i 
Correct Spelling:  alv-ei 
Find more wrongly spelled words of Alvei to spell it well.