cav

Usage

• cavernous

  A cavernous space is very large and empty; it is both hollow and huge.

• cavity

  A cavity is an empty space or hole in an otherwise solid object, such as a tooth or human body.

• concave

  curving inward

• concavity

  a shape that curves or bends inward

• excavate

  recover through digging

• excavation

  the act of digging