✅ 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).

✅ Unhappy means feeling or showing sadness or dissatisfaction (She was unhappy with the decision made by her boss). 

✅ Forlorn describes a state of being pitifully sad, abandoned, or lonely (The forlorn puppy waited by the door for its owner). 

✅ Both words describe a state of sadness. 

✅ Unhappy is a general term for feeling sad or displeased, while forlorn conveys a deeper sense of abandonment and hopelessness (He was unhappy about the outcome of the game; She looked forlorn as she watched the train leave without her).