Propyleaa or Propylaea: How To spell?

The word Propyleaa is misspelled against Propylaea, which is plural of "Propylaeum"

--> Propylaea has vowels 'ae' together mispronounced as 'ea'
Word contains consecutive vowels 'AE' in between alphabets propyl & a is misspelled as 'EA'
Wrong Spelling:  propyl-ea-a 
Correct Spelling:  propyl-ae-a 
Find more incorrect spellings of Propylaea to spell right way.

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