Solutions fingerprint feature has 6 entries with similar clues

• 3-letter words
• dabInformal term for a fingerprint
• 4-letter words
• loopBasic patterns for classifying and identifying fingerprints
• dabsfingerprints, informally
• clueFingerprint, perhaps
• 11-letter words
• dactylogramTechnical term for fingerprint
• 13-letter words
• dactylographyScientific study of fingerprints