| A | B |
| barricade | any barrier that obstructs passage; an obstacle |
| chattering | to vibrate or rattle |
| crescendo | gradual, steady increase in loudness or force |
| gurgle | to flow in a broken, irregular, noisy current |
| haphazardly | by chance; casually; in random manner |
| huddle | to gather or crowd together |
| hurdle | to leap over as in a race; to master; to overcome |
| lull | a temporary calm, quiet, or stillnes |
| rubble | broken bits and pieces of anything, as that which is demolished |
| strewn | to spread here and there; scatter |