Ceica or Caeca: How To spell?

The word Ceica is misspelled against Caeca, which is plural of "Caecum"

Caeca has vowels 'ae' together mispronounced as 'ei'
Word contains consecutive vowels 'AE' in between alphabets c & ca is misspelled as 'EI'
Wrong Spelling: c-ei-ca
Correct Spelling: c-ae-ca
Find more wrongly spelled words of Caeca to spell it well.