Broth and Stock cube

Broth noun - Liquid in which meat and vegetables are simmered; used as a basis for e.g. soups or sauces.

Stock cube and broth are semantically related. In some cases you can replace phrase "Stock cube" with "Broth", this terms are similar.

Stock cube noun - A cube of dehydrated stock.

Broth and stock cube are semantically related. You can use "Broth" instead a noun phrase "Stock cube".