Regular exercise can help reinforce your immune system.

The reinforcement of the bridge made it stronger and more durable.

I faced rejection when I applied for the job.

She decided to rejoin the team after taking a break.

The two companies have a related business.

The theory of relativity revolutionized our understanding of space and time.

Yoga is a great way to promote relaxation.

The exhausted horse was replaced by a fresh one to continue the relay.

This book is relevant to the topic we are discussing.

The archaeologists discovered an ancient relic buried deep underground.