✅ Surrender means to give up or yield to the power, control, or possession of another (The army decided to surrender after a long battle).

✅ Capitulate means to cease to resist an opponent or an unwelcome demand, often under agreed conditions (After weeks of negotiations, the company finally decided to capitulate to the union's demands).

✅ Both words describe the act of giving up to a stronger force.

✅ Surrender is commonly used in both personal and military contexts, while capitulate is often used in more formal or diplomatic situations (He surrendered his position; One country capitulated to the demands of another).

✅ A face refers to the front part of a person's head, from the forehead to the chin (She washed her face every morning).

✅ A countenance means a person's facial expression or general appearance (The speaker's cheerful countenance lifted everyone's spirits).

✅ Both words refer to aspects of a person's head.

✅ Face is the basic term for the front of the head, while countenance specifically refers to the expression or look that conveys emotion (My face was pale; The sprinter's countenance showed determination).

✅ Flexible means capable of bending easily without breaking (The flexible branches swayed in the wind).

✅ Malleable means capable of being shaped or bent, especially by external forces (The malleable metal was easy to mold into different shapes).

✅ Both words describe something that can be bent or shaped.

✅ Flexible is often used for physical objects or schedules, while malleable is used for materials or even personalities (flexible schedule, flexible gymnast; malleable minds, malleable face).