Related Clues:
- Prefix with morph
- Opposite of endo
- Prefix with -derm
- Outside opening?
- Skeleton's head?
- ___-1 ("Ghostbusters" car)
- Start to morph?
- Prefix meaning "outer"
- Outer (Pref.)
- Outside, at the outset
- Word form for ''outer''
- Prefix with carp or biology
- Outside (Pref.)
- Prefix with skeleton or sphere
- Plasm starter