Somberness
Part of speech: noun
Definition: The state or quality of being somber.
Gravity
Part of speech: noun
Definition: Resultant force on Earth's surface, of the attraction by the Earth's masses, and the centrifugal pseudo-force caused by the Earth's rotation.Gravitation, universal force exercised by two bodies onto each other (In casual discussion, gravity and gravitation are often used interchangeably).The state or condition of being grave (graveness).
Example sentence: You can't blame gravity for falling in love.