Subperiosteil or Subperiosteal: How To spell?

The word Subperiosteil is misspelled against Subperiosteal, an adjective meaning "Situated under the periosteum."

--> Subperiosteal has vowels 'ea' together mispronounced as 'ei'
Word contains consecutive vowels 'EA' in between alphabets subperiost & l is misspelled as 'EI'
Wrong Spelling:  subperiost-ei-l 
Correct Spelling:  subperiost-ea-l 
Check more misspelled words of Subperiosteal to spell it correct.

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