1) The whistness of the forest at night was both eerie and peaceful.

2) The whistness of the empty classroom made it feel abandoned.

3) She could hear the whistness of the wind as it blew through the trees.

4) The late-night whistness of the city streets was a stark contrast to its usual hustle and bustle.

5) The whistness of the library was broken only by the occasional sound of pages turning.

6) The whistness of the graveyard gave her an unsettling feeling.

7) The old house had a lingering whistness that made it feel haunted.

8) The whistness of the desert was interrupted only by the occasional sound of a distant coyote.

9) The whistness of the abandoned building was a stark reminder of its former glory.

10) The whistness of the church at dawn was a spiritual experience for her.