Penetrol or Penetrail: How To spell?

The word Penetrol is misspelled against Penetrail, a noun meaning "Penetralia."

Word contains consecutive vowels 'AI' in between alphabets penetr & l is misspelled as 'O'
Wrong Spelling: penetr-o-l
Correct Spelling: penetr-ai-l
Find more incorrect spellings of Penetrail to spell right way.