Related Clues:
- The Ghostbusters' license plate, ___ 1
- Prefix for "parasite" or "plasm"
- Morph lead-in
- Outer: Pref.
- Oplasm opener
- Outside opening
- Plasm lead-in
- Plasm preceder
- Outer prefix
- Opening for outside?
- __-1: "Ghostbusters" vehicle
- Outside (prefix)
- Prefix for "plasm" or "morph"
- ___-1 ('Ghostbusters' vehicle)
- ___-1 ("Ghostbusters" vehicle)