Pimento tree and Spice tree

Pimento tree noun - Aromatic West Indian tree that produces allspice berries.

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

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

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