| Answer | Crossword Clue |
|---|---|
| nalbuphine | a synthetic narcotic, an analgesic structurally similar to morphine |
| nalbuphines | NALBUPHINE, a synthetic narcotic, an analgesic structurally similar to morphine |
| methadone | A synthetic analgesic drug that is similar to morphine in its effects but longer acting, used as a substitute drug in the treatment of morphine and heroin addiction |
