Drain or Drein: How To spell?

The word Drain is misspelled against Drein, a verb meaning "To drain."

Word contains consecutive vowels 'EI' in between alphabets dr & n is misspelled as 'AI'
Wrong Spelling:  dr-ai-n 
Correct Spelling:  dr-ei-n 
Find more wrongly spelled words of Drein to spell it well.