Key ring and Trinket

Key ring noun - A circular ring of metal for holding keys.

Trinket and key ring are semantically related in charm topic. In some cases you can use "Trinket" instead a noun phrase "Key ring", when it comes to topics like pendant.

Trinket noun - A small object displayed for its attractiveness or interest.

Key ring and trinket are semantically related in charm topic. You can use "Key ring" instead a noun "Trinket", if it concerns topics such as pendant.