Sustunment or Sustainment: How To spell?

The word Sustunment is misspelled against Sustainment, a noun meaning "The act of sustaining; maintenance; support."

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

You might be interested to know

Thomusm or Thomaism?

Uncertunly or Uncertainly?

Vun or Vain?