Penetrial or Penetrail: How To spell?

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

Word contains consecutive vowels 'AI' in between alphabets penetr & l is misspelled as 'IA'
Wrong Spelling:  penetr-ia-l 
Correct Spelling:  penetr-ai-l 
Find more wrongly spelled words of Penetrail to spell it well.

You might be interested to know

Priaseer or Praiseer?

Racktial or Racktail?

Refrianed or Refrained?