Outside: Comb. form (4 letters)

{ Answer }

ECTO

{ Related Clues }

Kind of plasm
Lead-in for plasm
Opening for outside?
Opposite of endo-
Outer: Prefix
Outside: Prefix
Plasm header
Prefix with -derm
Prefix with -morph
Prefix with morph
Prefix with -morphic
Prefix for plasm
Prefix with -plasm
Prefix with plasm
Prefix with -therm
Start to morph?
Blast or plasm lead-in
Blast or plasm preceder
External: Comb. form
Outer: Comb. form
Prefix with plasm or derm
Prefix used in "Ghostbusters"

{ Tags }

blast, comb, derm, ecto, endo, exterior, external, form, ghostbusters, lead, morph, opening, opposite, outer, outside, parasite, plasm, preceder, prefix, used, vehicle

{ Notes }

The answer ECTO is seen frequently, appearing about once every 140 puzzles.