deepness

1. The state or quality of being deep, profound, mysterious, secretive, etc.; depth; profundity; -- opposed to shallowness.

Because they had no deepness of earth.

2. Craft; insidiousness. [R.] J. Gregory.

noun

1. The extent or measurement downward from a surface: depth, drop. See surface/depth.
2. Intellectual penetration or range: depth, profoundness, profundity. See thoughts.

The noun has 2 meanings:

Meaning #1: the quality of being physically deep
  Synonyms: profundity, profoundness
  Antonym: shallowness (meaning #2)

Meaning #2: a low pitch that is loud and voluminous