便

1. noun, suffix flight (e.g. airline flight); trip (e.g. train trip); sailing (e.g. ferry voyage); service
2. mail; post; letter
3. opportunity; chance

べん

1. noun, na-adjective convenience; service; facility; accommodation
2. noun excreta (esp. faeces); excrement; stool

よすが

1. noun, formal, usually in kana something to rely on; aid; clue; way; means
2. formal, usually in kana someone to rely on; relative
3. formal, usually in kana reminder; memento