purr

The cat began to purr loudly while being petted.

She could hear the gentle purr of the car engine from inside the house.

The kitten nestled in her arms and started to purr contentedly.

The old cat purred in delight as it basked in the sun.

The soothing purr of the white noise machine helped her fall asleep.

Whenever she played the guitar, her cat would come and purr at her feet.

He could feel the cat's purr vibrating against his chest as it lay on his lap.

The sound of the purring motorcycle engines filled the air at the race track.

As she scratched behind his ears, the dog began to purr like a cat.

The purr of the coffee machine signaled that her morning brew was ready.