| LAKEHURON | Canadian lake that forms part of a national border |
| DEADSEA | Salty lake that forms part of Jordan's border |
| ANATHEMA | A national border with a curse (8) |
| ERIE | Lake on a national border |
| MEADOW | In 2013, as part of a national scheme launched by Prince Charles to celebrate the 60th anniversary of the Queen's Coronation, a roadside nature reserve near Long Stratton was chosen as Norfolk's Coron |
| ORFORD | Suffolk’s ____ Ness is part of a national nature reserve |
| CUP | A mortarboard; a cone historically placed on the head of a "dunce" as a mark of disgrace; or, an item awarded to a selectee of a national sports team, hence the player chosen (3) |
| MALAWI | Rift Valley lake that forms a border between Mozambique, Tanzania and the nation that shares its nam |
| THIMBLE | An item depicted on the front cover of Beatrix Potter's The Tailor of Gloucester that forms part of a traditional sewing kit/basket (7) |
| FORK | Zigzag of lightning; an acoustic resonator; a type of double attack in chess; or, an item with tines which forms part of a canteen (4) |
| BREEZEBLOCK | Piece of cake with jam that forms part of a build-up? |
| MATTRESS | A rectangular pad for sleeping on that forms part of a bed (8) |
| VOLUME | Book that is complete in itself or forms part of a larger work; degree of loudness; or, cubic capacity (6) |
| VANER | Swedish lake that forms a major link in the Gota Canal (5) |
| SECTOR | Social group that forms part of a society or economy (6) |
| WARD | A district which forms part of a political constituency or local council (4) |
| SUBTOPIC | Minor subject that forms part of a larger one (8) |
| CYTOPLASM | Mostly a PC forms part of a cell (9) |
| TALC | Powder that forms part of a vital component (4) |
| LUNGE | Leg stretch that forms part of a warrior pose |
