Banian tree and Fig tree

Banian tree noun - East Indian tree that puts out aerial shoots that grow down into the soil forming additional trunks.

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

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

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