Greens and Spinach

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

Spinach and greens are semantically related. in emerald in color topic. In some cases you can use "Spinach" instead an adjective "Greens".

Spinach noun - Dark green leaves; eaten cooked or raw in salads.

Greens and spinach are semantically related. Sometimes you can use "Greens" instead a noun "Spinach".