| A | B |
| sociable | fond of the company of others |
| specimen | something that represents a class or category |
| subside | to become less intense, active, or severe |
| swarm | to move or gather in large numbers |
| terse | brief and to the point |
| uncanny | mysterious or impossible to explain |
| versatile | capable of doing many things competently |
| vulnerable | susceptible to physical harm or damage |
| waver | to move unsteadily back and forth |
| zeal | enthusiastic devotion to a cause |