A wreath is a circular arrangement of flowers, leaves and other decorations. Wreaths are commonly hung on doors to decorate them at festive times like Christmas. Another word for a wreath is a garland.
A wreck is something that has been broken beyond repair, and usually means a vehicle. There are places that collect car wrecks, for recycling the metal in them.
A similar word specifically for ships is shipwreck.
A wrench, or spanner, is used for tightening and loosening bolts, nuts, or anything else that is stuck and hard to turn. Like screws, bolts come in different shapes and sizes and spanners come in a range to match.
A wrinkle is a fold in something soft that can be bent, like your skin or the fabric in clothing. Clothes often get wrinkled when they are washed, and then they need to be ironed. As people get older, they get wrinkles in their skin. The man in the picture has wrinkles around his eyes.