Minecraft wiki entry for Curse, associated text: Curse of Binding - a rare enchantment used on armor to prevent it from being removed.
Curse of Vanishing - a rare enchantment used on tools, weapons and armor, which causes them to disappear when the wearer dies.
Bad Omen - a status effect that triggers a raid when the player enters a village.
Bad Luck - a status effect that decreases your luck attribute making chest loot less valuable.