Periostal or Periosteal: How To spell?

The word Periostal is misspelled against Periosteal, an adjective meaning "Situated around bone; of or pertaining to the periosteum."

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

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