✅ Trait refers to a characteristic or quality that defines someone's personality or behavior (Honesty is an admirable trait).

✅ Mannerism is a habitual or distinctive way of behaving or speaking, often unconscious (My habit of twirling my pen is a peculiar mannerism).

✅ Both words refer to behaviors or qualities of a person.

✅ Trait describes inherent qualities or characteristics, while mannerism refers more specifically to small, repeated behaviors (Kindness is your best trait; His mannerism of tapping his foot made him look nervous).

✅ Something plastic is easily molded or shaped when heated (The plastic quality of the clay made it easy to create new shapes).

✅ Something ductile is capable of being drawn out into thin wires or shaped without breaking, especially metals (Gold is highly ductile, making it ideal for jewelry).

✅ Both words describe materials that are flexible or shapeable.

✅ The adjective plastic is commonly associated with synthetic materials like plastics, while ductile usually refers to metals (The plastic consistency of the wax was perfect for the art project; The ductile nature of copper makes it useful in wiring).

✅ Oppose means to actively resist or disagree with something (The council members opposed the new policy).

✅ Counter means to act in opposition to or challenge something directly (She countered his argument with strong evidence).

✅ Both words describe resisting or standing against something.

✅ Oppose is often used for general disagreement or resistance, while counter suggests a more immediate or direct response (I opposed the idea from the start; You countered the opponent's points one by one during the debate).