Draenage or Drainage: How To spell?

The word Draenage is misspelled against Drainage, a noun meaning "A draining; a gradual flowing off of any liquid; also, that which flows out of a drain."

Word contains consecutive vowels 'AI' in between alphabets dr & nage is misspelled as 'AE'
Wrong Spelling:  dr-ae-nage 
Correct Spelling:  dr-ai-nage 
Explore spell check of Drainage to spell without errors.

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