Sustianed or Sustained: How To spell?

The word Sustianed is misspelled against Sustained, an adjective meaning "Held up to a certain pitch, degree, or level; uniform; as, sustained pasion; a sustained style of writing; a sustained note in music."

Word contains consecutive vowels 'AI' in between alphabets sust & ned is misspelled as 'IA'
Wrong Spelling: sust-ia-ned
Correct Spelling: sust-ai-ned
Check more misspelled words of Sustained to spell it correct.