Solutions Leaflet has 6 entries with similar clues

• 5-letter words
• sennaTropical plant with medicinal leaflets
• flyerPromotional leaflet
• flierLeaflet for distribution
• 7-letter words
• pinnateHaving leaflets arranged either side of stem
• 8-letter words
• mailshotLeaflet sent to a large group at the same time
• circularLeaflet for mass distribution