Nutmeg tree and Spice tree

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

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

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

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