On a damp forest floor, I spotted a common brown cup nestled among the leaf litter.

During our walk through the park, we were delighted to spot a common wood pigeon perched high in the oak tree.

On warm summer nights, I used to watch the common glow-worm flashing softly among the grass.

In my garden, common green lacewings are beneficial predators, eating aphids and other pests.

Last summer, I found several common clothes moths in the back of my closet, and they had already eaten through my favorite sweater.

Environmental groups decided to make common cause with local farmers to protect the river's ecosystem.

When we compare different fractions, we often have to find the lowest common denominators before adding them.

The developer implemented the Common Gateway Interface to enable a legacy application to generate dynamic web pages.

On warm summer nights, common glow-worms light the hedgerows like tiny lanterns.

Common Gateway Interfaces enabled the web server to run external scripts and generate dynamic pages.