Clue: Smooth-running engine sound

Answer: PURR

Length: 4

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Similar Clues:

• Smooth engine sounds (PURRS with 5 letters)
• Smooth engine sound (e.g. HUM with 3 letters)
• Like smooth-running engines (LUBED with 5 letters)
• Keep the engine running in park (IDLE with 4 letters)
• Motorcycle engine sound (ROAR with 4 letters)
• Big engine sound (ROAR with 4 letters)
• Sound of engine trouble (PING with 4 letters)
• Sounded like a new engine (PURRED with 6 letters)
• Running smoothly, perhaps (OILED with 5 letters)
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