Cauca or Caeca: How To spell?

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

Caeca has vowels 'ae' together mispronounced as 'au'
Word contains consecutive vowels 'AE' in between alphabets c & ca is misspelled as 'AU'
Wrong Spelling:  c-au-ca 
Correct Spelling:  c-ae-ca 
Check more misspelled words of Caeca to spell it correct.

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