"Pucker" and "ripple" are two different verbs that describe distinct actions or movements: Pucker: To pucker means to form small folds, creases, or wrinkles in a surface, typically by contracting or tightening it. This word is often associated with the tightening or wrinkling of the skin, fabric, or any flexible material. For example, when you purse your lips, you create a pucker in your mouth. Ripple: To ripple means to create a series of small, gentle waves or undulations on the surface of a liquid, fabric, or any flexible material. It can also refer to a similar, spreading, or sequential effect in other contexts, such as sound or light. Ripples are typically characterized by their smooth, wavelike motion. In summary, "pucker" is about creating folds or wrinkles in a surface, while "ripple" pertains to the generation of small waves or undulations on a surface. These two actions are different in nature and usage.

When a raindrop falls into a puddle of water, the water ripples. It doesn't pucker. When you pull the drawstring on a bag, and the end of the bag closes up, it puckers. It doesn't ripple.