She noticed the key was missing from the table.

As a noticer, he quickly pointed out details others missed.

The noticers in our study were quicker to spot subtle changes in the environment.

After the safety breach, the factory workers were put on notice that any further violations would result in dismissal.

The noticeableness of her bright red coat drew compliments all evening.

The designer compared the noticeabilities of each prototype under different lighting conditions.

There was a noticable improvement in her piano playing after two weeks of practice.

The scientists' notice of the specimen's unexpected behavior led to a promising new hypothesis.

I kept noticing small changes in the garden as the seasons shifted.

Her noticing of the small error saved the project from failure.