Understayr or Understair: How To spell?

The word Understayr is misspelled against Understair, an adjective meaning "pertaining to the kitchen, the servants' quarters; hence, subdinate; menial."

Word contains consecutive vowels 'AI' in between alphabets underst & r is misspelled as 'AY'
Wrong Spelling:  underst-ay-r 
Correct Spelling:  underst-ai-r 
Explore spell check of Understair to spell without errors.

You might be interested to know

Villaynies or Villainies?

Waylayd or Waylaid?

Amean or Amain?