Biodegradable and Greens

Biodegradable adjective - Capable of being decomposed by e.g. bacteria.

Greens and biodegradable are semantically related. In some cases you can replace term "Greens" with "Biodegradable", this adjectives are similar.

Greens noun - Any of various leafy plants or their leaves and stems eaten as vegetables.

Biodegradable and greens are semantically related. Sometimes you can use "Biodegradable" instead an adjective "Greens".