Clue: It's often nautical

Answer: MILE

Length: 4

---

Similar Clues:

• Nautical start (AERO with 4 letters)
• Space or nautical prefix (AERO with 4 letters)
• Start for "dynamic" or "nautical" (AERO with 4 letters)
• Prefix with "space" or "nautical" (AERO with 4 letters)
• Nautical starter (e.g. AERO with 4 letters)
• Nautical start? (AERO with 4 letters)
• Start for dynamic or nautical (AERO with 4 letters)
• Space and nautical lead-in (AERO with 4 letters)
• Nautical and space leader (AERO with 4 letters)
• Beginning for ''space'' or ''nautical'' (AERO with 4 letters)