Solutions Someone may be listening has 10 entries with similar clues

• 3-letter words
• earOrgan for listening
• 4-letter words
• bugsSecret listening devices
• tapsUses listening devices
• earslistening organs
• 5-letter words
• nearsComes closer to name those listening
• 7-letter words
• allearsListening intently
• 11-letter words
• stethoscopeMedical instrument used for listening to body sounds
• overhearingListening accidentally without speaker's knowledge
• be-all-earsBe listening attentively
• 14-letter words
• a-fair-hearingAn impartial listening to a statement of case