Propylaium or Propylaeum: How To spell?

The word Propylaium is misspelled against Propylaeum, a noun meaning "Any court or vestibule before a building or leading into any inclosure."

Propylaeum has vowels 'ae' together mispronounced as 'ai'
Word contains consecutive vowels 'AE' in between alphabets propyl & um is misspelled as 'AI'
Wrong Spelling:  propyl-ai-um 
Correct Spelling:  propyl-ae-um 
Check more misspelled words of Propylaeum to spell it correct.

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