Downsturs or Downstairs: How To spell?

The word Downsturs is misspelled against Downstairs, an adjective meaning "Below stairs; as, a downstairs room."

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

You might be interested to know

Entrul or Entrail?

Futhless or Faithless?

Gunstanding or Gainstanding?