Letters that make stair
s, a, r, t, i are letters that make 'stair'
stairs is a word created by adding a letter to 'stair'
1 possible definitions for 'stair'
Under this definition, stair is a noun and has the following properties:
step has the same meaning as stair
'stair' can be a type of support.
corbel step, corbie-step, corbiestep, crow step are types of 'stair'.
step is a derivative of stair.