| A | B |
| acrid | sharp, irritating, or bitter to the sense of taste or smell |
| casualty | a person killed or injured in a war or accident |
| congested | overcrowded; filled too full |
| congested | filled with a fluid |
| congestion | the condition of being overcrowded |
| congestion | the condition of being filled with fluid |
| cope | to manage problems or difficulties successfully |
| headlong | with great speed or force; reckless |
| headlong | recklessly; without time for careful thought |
| hurtle | to move with great force and speed |
| impede | to get in the way of; to interfere with the movement of |
| inevitable | bound to happen; unavoidable |
| initiate | to put into effect; to bring into use |
| initiate | to take in as a member |
| initiation | the act of beginning |
| initiation | the ceremony or process that makes one a member |
| irate | very angry; furious |
| lax | not strictly enforced; undemanding; careless |
| lax | not tight; loose |
| negligent | failing to take proper care of or to give proper attention to |
| negligence | the quality, state or act of being negligent |
| smolder | to burn slowly without bursting into flames |
| smolder | to exist in a hidden state before bursting into the open |
| stringent | strict; severe |
| throng | a large number of people gathered together; a crowd |
| throng | to gather or move in large numbers |
| impediment | an obstacle; something that gets in the way |