Stair or Stare ?
Your choice!
Stair
Exemple : ‘’I tripped on the top stair and broke my ankle.’’
The words "stair" and "stare" are pronounced in the same way and consequently are often mixed up. "Stair" is a noun, most commonly used in the plural, to denote a set of steps.
Stare
Exemple : ‘’I hate when people stare at me!’’
"Stare" is a verb used to denote the act of looking at something intently for a long period of time.