Sustunable or Sustainable: How To spell?

The word Sustunable is misspelled against Sustainable, an adjective meaning "Capable of being sustained or maintained; as, the action is not sustainable."

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

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