Drunable or Drainable: How To spell?

The word Drunable is misspelled against Drainable, an adjective meaning "Capable of being drained."

Word contains consecutive vowels 'AI' in between alphabets dr & nable is misspelled as 'U'
Wrong Spelling:  dr-u-nable 
Correct Spelling:  dr-ai-nable 
Check more misspelled words of Drainable to spell it correct.

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