is a specific kind of: tree.

is a broader term that covers: live oak | white oak | European turkey oak, Quercus cerris, turkey oak | Quercus coccinea, scarlet oak | jack oak, northern pin oak, Quercus ellipsoidalis | red oak | evergreen oak, holly-leaved oak, holm oak, holm tree, Quercus ilex | laurel oak, Quercus imbricaria, shingle oak | bluejack oak, Quercus incana, turkey oak | California black oak, Quercus kelloggii | American turkey oak, Quercus laevis, turkey oak | laurel oak, pin oak, Quercus laurifolia | overcup oak, Quercus lyrata | scrub oak | Japanese oak, Quercus grosseserrata, Quercus mongolica | chestnut oak | possum oak, Quercus nigra, water oak | Nuttall's oak, Nuttall oak, Quercus nuttalli | pin oak, Quercus palustris, swamp oak | Quercus phellos, willow oak | box white oak, brash oak, iron oak, post oak, Quercus stellata | cork oak, Quercus suber | Quercus texana, Spanish oak | Chinese cork oak, Quercus variabilis | black oak, quercitron, quercitron oak, Quercus velutina, yellow oak ... show more.

has as a part: acorn.

is a member of: genus Quercus, Quercus.

contains: oak.