Sure! Here are some short sentences with words ending in "ness":
- Her kindness brightened my day.
- The darkness in the room was eerie.
- He showed great fondness for animals.
- Happiness is the key to a good life.
- The witness gave an accurate account.
- Her sadness was evident in her eyes.
- His boldness impressed the audience.
- The softness of the blanket was comforting.
- There was a sense of emptiness after the party.
- The business is growing in success.