Clue: Airfoil

Answer: 4 possible answers to Airfoil. From 3 to 7 leters. For instance AILERON, FLAP, RUDDER.

Airfoil answers with 3 characters:

• FIN

Airfoil answers with 4 characters:

• FLAP

Airfoil answers with 6 characters:

• RUDDER

Airfoil answers with 7 characters:

• AILERON

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Similar Clues:

• An airfoil provides it (LIFT with 4 letters)
• Airfoils (e.g. FINS with 4 letters)
• Helicopter airfoils (ROTORS with 6 letters)

Nothing more is found...