Nutmeg and Spice tree

Nutmeg noun - East Indian tree widely cultivated in the tropics for its aromatic seed; source of two spices: nutmeg and mace.

Spice tree and nutmeg are semantically related. In some cases you can use "Spice tree" instead a noun "Nutmeg".

Spice tree noun - Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit; yields a hard tough wood.

Nutmeg and spice tree are semantically related. Sometimes you can replace term "Nutmeg" with "Spice tree", this terms are similar.