| A | B |
| trichotillomania | compulsion to pull one's hair |
| compulsion | a repeating behavior like excessive hand washing |
| obsession | a repeating thought like worries about germs |
| agoraphobia | a fear of being in situations where escape might be difficult |
| phobias | a disorders rooted in fear leading to avoidant behavior |
| social anxiety disorder | avoid personal interaction because fear of rejection, embarassment |
| panic disorder | physiological and fear-based anxiety; leads to feelings of terror |
| Generalized anxiety disorder | worst-case scenario thinking; sleeplessness and depressed mood |