Eggplant and Herbaceous plant

Eggplant noun - Hairy upright herb native to southeastern Asia but widely cultivated for its large glossy edible fruit commonly used as a vegetable.

Herbaceous plant and eggplant are semantically related. In some cases you can use "Herbaceous plant" instead a noun "Eggplant".

Herbaceous plant noun - A plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests.

Eggplant and herbaceous plant are semantically related. Sometimes you can replace term "Eggplant" with "Herbaceous plant", this terms are similar.