You are afraid of something when you are scared of something and you just want to run away from it.
Agony is a state of extreme pain. It might be physical or emotional pain. The woman in the photo is in agony.
Anger is what you are feeling when you are angry.
Anger is a strong feeling of displeasure. Another word for angry is mad. People often get angry when they don't get their way, or when someone disagrees with them. The person in the picture is angry.
If someone or something is annoying you, you are annoyed.
If you annoy someone for long enough, they will become angry.
You are bored when you have nothing to do, or you don't want to do anything. The man in the picture is bored.
You are concentrating on something if you are completely focussed on it, and have blocked out all other distractions. People usually concentrate when they are doing something complicated that requires them to think hard without being interrupted.
You cry when you are very sad, upset, or you have hurt yourself. Babies cry when they are tired or hungry.
And also ...
Aghast, Agitated, Anticipation, Anxious, Apathy, Complacent, Contempt, Courage, Covet, Depressed, Despair, Enthusiastic, Frustration, Glum, Grateful, Grief, Grumpy, Hate, Impressed, Irate, Ire, Jolly, Merry, Miserable, Mournful, Nervous, Pity, Pleasure, Rage, Sane, Scowl, Shy, Sneer, Snicker, Snigger, Solumn, Stern (emotion), Stress, Stressed, Suspicious.