可能性

1. Origins, structure, and basic meaning

• Structure: 可能性 (かのうせい) is the degree to which an event can occur or a result can be achieved. It appears in weather outlook and a remaining alternative.
• Basic usage: Rain may arrive in the afternoon; another method still leaves room for success.

2. Common pitfalls and similar expressions

• Chance of future weather and remaining prospect for an alternative
  • 可能性がある opens a weather outcome, while 可能性も残っている stresses that a route to success has not disappeared. Neither guarantees the result.