Fig tree and Sycamore

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

Sycamore and fig tree are semantically related. In some cases you can replace term "Sycamore" with "Fig tree", this terms are similar.

Sycamore noun - Thick-branched wide-spreading tree of Africa and adjacent southwestern Asia often buttressed with branches rising from near the ground; produces cluster of edible but inferior figs on short leafless twigs; the biblical sycamore.

Fig tree and sycamore are semantically related. Sometimes you can use "Fig tree" instead a noun "Sycamore".