Bittersweet and Salmon

Bittersweet noun - Twining shrub of North America having yellow capsules enclosing scarlet seeds.

Salmon and bittersweet are semantically related in color of blood topic. In some cases you can use "Salmon" instead a noun "Bittersweet", when it comes to topics like combination of red and yellow.

Salmon noun - Any of various large food and game fishes of northern waters; usually migrate from salt to fresh water to spawn.

Bittersweet and salmon are semantically related in color of blood topic. You can use "Bittersweet" instead a noun "Salmon", if it concerns topics such as combination of red and yellow.