Pang

Part of speech: noun (n.)

A paroxysm of extreme pain or anguish; a sudden and transitory agony; a throe; as, the pangs of death.

Synonyms: Agony; anguish; distress. See Agony.

Part of speech: verb (v.)

To torture; to cause to have great pain or suffering; to torment. [R.] Shak.