Penetration tests are conducted to identify vulnerabilities in a system.

He is penny-wise and pound-foolish.

Penis worms are a type of marine worm.

The penis worm is a type of marine worm found in the phylum Priapulida.

The penalisation for breaking the law is a hefty fine.

The team scored two penalty goals in the match.

I decided to go all out and buy the expensive dress. In for a penny, in for a pound!

We used to spend hours playing games at the penny arcades.

She is known for her penny-pinchings.

He received a penalty for making a copy of the document.