Cucumber and Veggie

Cucumber noun - Cylindrical green fruit with thin green rind and white flesh eaten as a vegetable; related to melons.

Veggie and cucumber are semantically related. In some cases you can use "Veggie" instead a noun "Cucumber".

Veggie noun - Edible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant.

Cucumber and veggie are semantically related. Sometimes you can replace term "Cucumber" with "Veggie", this nouns are similar.