sling-shot

n (US) = catapult.

slick, slicker, slide, slide into, slide over, slide-rule, sliding door, sliding scale, slight, slightingly, slightly, slightness, slim, slime, sliminess, slimly, slimmer, slimness, slimy, sling, slink, slinkiness, slinky, slip, slip-case, slip-cover, slip-knot, slip-on, slip-over, slip-road, slip-stream, slip-up, slippage, slipped disc, slipper, slippered, slipperiness, slippery, slippy, slipshod,