Cicisbea or Cicisbei: How To spell?

The word Cicisbea is misspelled against Cicisbei, which is plural of "Cicisbeo"

Word ends with consecutive vowels 'EI' preceded by alphabets 'cicisb' is misspelled as 'EA'
Wrong Spelling:  cicisb-ea 
Correct Spelling:  cicisb-ei 
Find more wrongly spelled words of Cicisbei to spell it well.