Ceyca or Caeca: How To spell?

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

Caeca has vowels 'ae' together mispronounced as 'ey'
Word contains consecutive vowels 'AE' in between alphabets c & ca is misspelled as 'EY'
Wrong Spelling:  c-ey-ca 
Correct Spelling:  c-ae-ca 
Explore spell check of Caeca to spell without errors.

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