Campanula and Rampion

Campanula noun - Any of various plants of the genus Campanula having blue or white bell-shaped flowers.

Rampion and campanula are semantically related. In some cases you can replace term "Rampion" with "Campanula", this nouns are similar.

Rampion noun - Bellflower of Europe and Asia and North Africa having bluish flowers and an edible tuberous root used with the leaves in salad.

Campanula and rampion are semantically related. You can use "Campanula" instead a noun "Rampion".