As nouns the difference between stables and stable
is that
stables is plural of lang=en while
stable is a building, wing or dependency set apart and adapted for lodging and feeding (and training) animals with hoofs, especially horses.
As a verb stable is
to put or keep (horse) in a stable.
As an adjective stable is
relatively unchanging, permanent; firmly fixed or established; consistent; not easily moved, altered, or destroyed.