Ficus carica and Fig tree

Ficus carica noun - Mediterranean tree widely cultivated for its edible fruit.

Fig tree and Ficus carica are semantically related. In some cases you can use "Fig tree" instead a noun phrase "Ficus carica".

Fig tree noun - Any moraceous tree of the tropical genus Ficus; produces a closed pear-shaped receptacle that becomes fleshy and edible when mature.

Ficus carica and fig tree are semantically related. Sometimes you can replace phrase "Ficus carica" with "Fig tree", this phrases are similar.