Inside the Universes

Words with a similar base: hollow, hollow_out

[hollow.n.01] as in: a cavity or space in something

[hollow.n.02] as in: a small valley between mountains

[hole.n.05] as in: a depression hollowed out of solid matter

[excavate.v.04] as in: remove the inner part or the core of

[hollow.v.02] as in: remove the interior of

[hollow.a.01] as in: not solid; having a space or gap or cavity

[hollow.s.01] as in: as if echoing in a hollow space

[empty.s.01] as in: devoid of significance or point

					hollow (English)
├── holow (Middle English (1100-1500))
└── holw (Middle English (1100-1500))