Difference between Shudder and Tremor

Shudder

Part of speech: noun

Definition: A shivering tremor. A moment of almost pleasurable fear; a frisson.

Part of speech: verb

Definition: To shake nervously, as if from fear. To vibrate jerkily.

Example sentence: There's nothing I hate more than gritty, linty, mysterious pocket schmutz in the cap of my lip moisturizer - or, even worse, on the applicator itself. I shudder at the thought.

Tremor

Part of speech: noun

Definition: A shake, quiver, or vibration.An earthquake.

Part of speech: verb

Definition: To shake or quiver excessively and rapidly or involuntarily; to tremble.