Sustayn or Sustain: How To spell?

The word Sustayn is misspelled against Sustain, a noun meaning "One who, or that which, upholds or sustains; a sustainer."

Word contains consecutive vowels 'AI' in between alphabets sust & n is misspelled as 'AY'
Wrong Spelling:  sust-ay-n 
Correct Spelling:  sust-ai-n 
Check more misspelled words of Sustain to spell it correct.

You might be interested to know

Thebayc or Thebaic?

Unacquaynted or Unacquainted?

Upstayrs or Upstairs?