Eggplant and Solanaceous vegetable

Eggplant noun - Egg-shaped vegetable having a shiny skin typically dark purple but occasionally white or yellow.

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

Solanaceous vegetable noun - Any of several fruits of plants of the family Solanaceae; especially of the genera Solanum, Capsicum, and Lycopersicon.

Eggplant and solanaceous vegetable are semantically related. Sometimes you can replace term "Eggplant" with "Solanaceous vegetable", this terms are similar.