Proneness
From BiblePortal Wikipedia
Proneness [1]
(1): ( n.) The state of lying with the face down; - opposed to supineness.
(2): ( n.) The quality or state of being prone, or of bending downward; as, the proneness of beasts is opposed to the erectness of man.
(3): ( n.) Descent; declivity; as, the proneness of a hill.
(4): ( n.) Inclination of mind, heart, or temper; propension; disposition; as, proneness to self-gratification.