Clue: Fingerprint, perhaps

Answer: CLUE

Length: 4

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Similar Clues:

• Modern fingerprint (DNA with 3 letters)
• Fingerprint spirals (WHORLS with 6 letters)
• Fingerprints, e.g. (CLUE with 4 letters)
• Scarcely visible fingerprint (LATENT with 6 letters)
• Looked for fingerprints (DUSTED with 6 letters)
• Twain's fingerprint expert (PUDDNHEADWILSON with 15 letters)
• Fingerprint, e.g. (CLUE with 4 letters)
• High-tech ''fingerprint'' (DNA with 3 letters)
• Fingerprint markings (WHORLS with 6 letters)
• Fingerprints, often (e.g. CLUES with 5 letters)