cannelure /kanˈi-lyoor/

1. A groove or a fluting
2. A groove round the cylindrical part of a bullet

• unwarenesses
• umbrella trees
• umbrello
• umbrere
• umbrette
• umbrettes
• Umbrian
• umbriere
• umbrieres
• umbriferous
• umbril
• umbrose
• umbrous
• umiak
• umiaks
• UMIST
• umlaut
• umlauted
• umlauting
• umlauts
• umma
• ummah
• ummahs
• ummas
• ump