Periostayl or Periosteal: How To spell?
The word Periostayl is misspelled against Periosteal, an adjective meaning "Situated around bone; of or pertaining to the periosteum."
Periosteal has vowels 'ea' together mispronounced as 'ay'Word contains consecutive vowels 'EA' in between alphabets periost & l is misspelled as 'AY'
Wrong Spelling:  periost-ay-l  Correct Spelling:  periost-ea-l 
Find more incorrect spellings of Periosteal to spell right way.