| A | B |
| "act" | "do" |
| "cycl" | "circle" |
| "graph" | "write" |
| "mem" | "recall" |
| "tact" | "touch" |
| action | something done or performed |
| activity | a specific deed, action, pursuit, etc. |
| react | to act in response to another influence |
| cyclone | a violent tropical storm; hurricane |
| recycle | to undergo reuse or renewal |
| unicycle | a one-wheeled vehicle driven by pedals |
| autograph | a persons's own signature |
| graphic | giving a clear and effective picture |
| graphite | a soft form of carbon, commonly used in pencils |
| commemorate | to honor the memory of with an observance |
| memorial | something serving as a remembrance |
| memorize | to learn by heart |
| contact | the act of touching or meeting |
| intact | no altered or broken |
| tactile | tangible, capable of being touched |