夜の森の静けさが好きだ。
I love the stillness of the forest at night.
It feels good to read a book in the quiet.
The stillness of the mountains calms the mind.
You need to keep quiet in the library.
The sudden ring of the phone broke the silence.
At night, the village is wrapped in stillness.
A stillness hung over the park in the early morning.
静けさ describes silence or stillness, the absence of 物音, the sound something makes.
静けさ means quietness or silence, the opposite of the audible chatter described by 話し声.