Casation or Caseation: How To spell?

The word Casation is misspelled against Caseation, a noun meaning "A degeneration of animal tissue into a cheesy or curdy mass."

Caseation has vowels 'ea' together mispronounced as 'a'
Word contains consecutive vowels 'EA' in between alphabets cas & tion is misspelled as 'A'
Wrong Spelling: cas-a-tion
Correct Spelling: cas-ea-tion
Find more incorrect spellings of Caseation to spell right way.