| Answer | Crossword Clue |
|---|---|
| RHEO | Prefix used in electricity. |
| AERO | Prefix used in aviation |
| NEURO | Prefix used in medicine. |
| ECTO | Prefix used in "Ghostbusters" |
| AERO | Prefix used in aviation. |
| ECTO | "Outside" prefix used in "Ghostbusters" |
| UBER | German prefix used in English slang |
