Nightshade and Woody plant

Nightshade noun - Any of numerous shrubs or herbs or vines of the genus Solanum; most are poisonous though many bear edible fruit.

Woody plant and nightshade are semantically related. In some cases you can use "Woody plant" instead a noun "Nightshade".

Woody plant noun - A plant having hard lignified tissues or woody parts especially stems.

Nightshade and woody plant are semantically related. Sometimes you can replace term "Nightshade" with "Woody plant", this terms are similar.