Suffering
Part of speech: adjective
Definition: Experiencing pain.
Part of speech: verb
Definition: To undergo hardship.
Part of speech: noun
Definition: The condition of someone who suffers; a state of pain or distress.
Example sentence: Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.
Agony
Part of speech: noun
Definition: Violent contest or striving.Pain so extreme as to cause writhing or contortions of the body, similar to those made in the athletic contests in Greece; and hence, extreme pain of mind or body; anguish; paroxysm of grief; specifically, the sufferings of Christ in the garden of Gethsemane.Paroxysm of joy; keen emotion.The last struggle of life; death struggle.
Example sentence: In the pain, the agony, and the heroic endeavors of life, we pass through a refiner's fire, and the insignificant and the unimportant in our lives can melt away like dross and make our faith bright, intact, and strong.