✅ Helpful means giving assistance or making things easier (The helpful customer service agent resolved my issue quickly).
✅ Cooperative describes someone who is willing to work with others or assist in achieving a common goal (The team was cooperative and eager to solve the problem).
✅ Both words describe a willingness to assist.
✅ Helpful can refer to actions that make things easier, while cooperative specifically refers to working with others (The teacher’s tips were helpful; The cooperative student eagerly worked with the group).

✅ Anger refers to a strong feeling of displeasure or hostility (His anger was evident when he saw the damage to his car).
✅ Indignation is anger or annoyance provoked by something perceived as unfair or unjust (Her indignation was clear when she learned about the unfair treatment of her coworkers).
✅ Both words describe feelings of displeasure.
✅ Anger can be caused by any number of things and is more general, while indignation is specifically a reaction to perceived injustice (I felt anger when I saw someone throwing trash on the ground; They felt indignation at the discriminatory policy).

✅ Reject means to refuse or dismiss something, often because it's not satisfactory or desirable (He rejected the job offer because the salary was too low).
✅ Renounce means to formally or publicly give up a belief, position, or right (The queen will renounce her claim to the throne).
✅ Both words involve refusing or turning away from something.
✅ Reject is more commonly used for things or offers, while renounce is used in more formal situations involving beliefs, claims, or titles (I rejected the party invitation because I didn’t want to attend it; I hereby renounce my former political affiliation).