Anguish
Part of speech: noun
Definition: Extreme pain, either of body or mind; excruciating distress.
Part of speech: verb
Definition: To suffer pain. To cause to suffer pain.
Example sentence: Republicans and others who are in anguish over the possibility of socialized medicine ought to have to explain their ideology to a mother with a sick newborn. They ought to have to explain how this nation can debate health care and not mention how abysmal ours is.
Torture
Part of speech: noun
Definition: Intentional causing of somebody's experiencing agony.The "suffering of the heart" imposed by one on another, as in personal relationships.
Part of speech: verb
Definition: To intentionally inflict pain or suffering on (someone).
Example sentence: To torture a man you have to know his pleasures.