Clue: External: Comb. form

Answer: 2 possible answers to External: Comb. form. From 3 to 4 leters.

External: Comb. form answers with 3 characters:

• ECT

External: Comb. form answers with 4 characters:

• ECTO

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Similar Clues:

• Chemical combining form (AMIDO with 5 letters)
• Height: Comb. form (ACRO with 4 letters)
• Second: Comb. form (e.g. DEUTER with 6 letters)
• Early: Comb. form (PALAEO with 6 letters)
• Stabilizer: Comb. form (STAT with 4 letters)
• Destroyer: Comb. form (CLAST with 5 letters)
• Fish: Comb. form (e.g. ICHTHY with 6 letters)
• Few: Comb. form (e.g. OLIG-3 with 6 letters)
• Monster: Comb. form (TERAT with 5 letters)
• Of fields or soil: Comb. form (AGRO with 4 letters)