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