Related Clues:

• Prefix with morph or plasm
• Prefix with genesis or thermic
• Prefix for morph or plasm
• Morph prefix
• ___-1 ('Ghostbusters' car)
• Outer, in combinations
• ''External'' beginning
• Prefix with -plasmic
• ___ Cooler, 'Ghostbusters'-inspired Hi-C flavor
• Prefix with plasm or parasite
• ___-1 ("Ghostbusters" vehicle)