Holly-leaved oak and Oak tree

Holly-leaved oak noun - Evergreen oak of southern Europe having leaves somewhat resembling those of holly; yields a hard wood.

Oak tree and holly-leaved oak are semantically related. In some cases you can use "Oak tree" instead a noun phrase "Holly-leaved oak".

Oak tree noun - A deciduous tree of the genus Quercus; has acorns and lobed leaves.

Holly-leaved oak and oak tree are semantically related. Sometimes you can replace phrase "Holly-leaved oak" with "Oak tree", this phrases are similar.