Cystoidain or Cystoidean: How To spell?

The word Cystoidain is misspelled against Cystoidean, a noun meaning "Same as Cystidean."

Cystoidean has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets cystoid & n is misspelled as 'AI'
Wrong Spelling: cystoid-ai-n
Correct Spelling: cystoid-ea-n
Find more incorrect spellings of Cystoidean to spell right way.