| 100% | SEATO | 5 | Grp. formed by the Manila Pact |
| 61% | EEC | 3 | Grp. formed by the Treaty of Rome, 1957 |
| 48% | SEATO | 5 | Manila Pact grp. |
| 47% | NASSER | 6 | Lake formed by the Aswan Dam |
| 47% | MEAD | 4 | Lake formed by the Hoover Dam |
| 47% | SEATO | 5 | Manila pact grp., 1954 |
| 47% | SEATO | 5 | Deal also known as the Manila Pact |
| 47% | SANTEE | 6 | River formed by the Congaree and Wateree |
| 47% | DUNE | 4 | Ridge of sand formed by the wind |
| 47% | ROSSBY | 6 | Waves formed by the planet's rotation |
| 45% | SEACAVE | 7 | Hole formed by the wave action of the sea |
| 45% | UMBRA | 5 | Darkest part of a shadow formed by the Earth |
| 45% | AFLCIO | 6 | Grp. formed by a 1955 merger |
| 44% | WESER | 5 | River formed by the junction of the Fulda and Werra |
| 44% | IOWA | 4 | State whose eastern border is formed by the Mississippi River |
| 44% | SMILEYFACE | 10 | What's formed by the circled letters in this puzzle |
| 44% | CLOT | 4 | Blood ___ (gel-like mass formed by the coagulation of blood) |
| 44% | OPAL | 4 | "Steven Universe" character formed by the fusion of Amethyst and Pearl |
| 44% | GRAND | 5 | Deep gorge formed by the Colorado River in northern Arizona, US |
| 44% | ACRONYM | 7 | Word formed by the first letters of a series of words |
| 43% | OFGEM | 5 | Non-ministerial government department formed by the merger of OFFER and Ofgas |
| 43% | GRAND | 5 | & 17A Deep gorge formed by the Colorado River in northern Arizona, US |
| 43% | ORION | 5 | Constellation whose belt is formed by the stars Alnitak, Alnilam, and Mintaka |
| 42% | ANAGRAM | 7 | Word formed by rearranging the letters of another |
| 42% | ANAGRAM | 7 | A new word formed by rearranging the letters |
| 42% | CSA | 3 | Grp. represented by the Southern Cross |
| 42% | GIRONDE | 7 | Estuary in France formed by the confluence of the Rivers Dordogne and Garonne |
| 42% | RIME | 4 | Frost formed by the freezing of water droplets in fog onto solid objects |
| 42% | HUMBER | 6 | Large tidal estuary in northern England formed by the Rivers Ouse and Trent |