| Answer | Crossword Clue |
|---|---|
| blacklisted | Put (a person or product) on such a list |
| blacklisting | Put (a person or product) on such a list |
| quarantined | Impose such isolation on (a person, animal, or place); put in quarantine |
| quarantining | Impose such isolation on (a person, animal, or place); put in quarantine |
| registering | Put one's name on an official list under such terms |
| registered | Put one's name on an official list under such terms |
