Difference between Spasm and Cramp

Spasm

Part of speech: noun

Definition: A sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ. A violent, excruciating seizure of pain. A sudden and temporary burst of energy, activity, or emotion.

Part of speech: verb

Definition: To produce and undergo a spasm.

Cramp

Part of speech: verb

Definition: (of a muscle) To contract painfully and uncontrollably.To prohibit movement or expression.To restrain to a specific physical position.

Part of speech: noun

Definition: A painful contraction of a muscle which cannot be controlled.A clamp for carpentry or masonry.

Example sentence: I took more anti-inflammatories probably than anybody in my 20 years of playing and I know what that terrible stomach pain can be. I also know what terrible menstruation cramps can be, as most women tennis players have, to the point where you feel nauseous, but you just play on.