| 100% | WAAC | 4 | Mil. group founded in 1942 |
| 57% | PLO | 3 | Arab group founded in 1964: Abbr. |
| 57% | TABERNACLECHOIR | 15 | Temple Square group founded in 1847 |
| 57% | NATO | 4 | International defense group founded in 1949 |
| 57% | NRA | 3 | Gun group founded in 1871: Abbr. |
| 57% | NOW | 3 | Feminist group founded in 1966 (abbr.) |
| 57% | AMINO | 5 | Atomic group found in glutamic acid |
| 57% | CHOIR | 5 | Singing group found in a church |
| 57% | FRATERNITIES | 12 | Four groups found in this puzzle |
| 57% | SET | 3 | Math grouping found in curly brackets? |
| 56% | NATO | 4 | International defense group founded in 1949: Abbr. |
| 56% | NAACP | 5 | Civil rights group founded in 1909: Abbr. |
| 56% | ACLU | 4 | Rights-defending group founded in 1920: Abbr. |
| 56% | EUROMART | 8 | Continental economic group founded in 1957, familiarly |
| 56% | CULTUREBASED | 12 | Founded in certan group customs |
| 56% | PROTEIN | 7 | Food group found in fish, eggs, meat |
| 55% | OPEC | 4 | Intl. group founded in 1960 with five members |
| 54% | INSECT | 6 | Creature found in group |
| 54% | OPEC | 4 | What group founded in 1960 currently has 12 members? |
| 54% | UNION | 5 | Amazon Labor ___ (worker-led group founded in April, 2022) |
| 52% | PLO | 3 | Group founded by the Arab League in 1964 (abbr.) |
| 52% | PLO | 3 | Group founded by the Arab League in 1964: abbr. |
| 51% | OPEC | 4 | Group founded by five oil-rich countries in 1960: Abbr. |
| 51% | WAC | 3 | Mil. group integrated with male units in 1978 |
| 49% | WHIFFENPOOFS | 12 | Collegiate a-cappella group founded in 1909 that admitted its first female member in 2018 |
| 45% | BADGERS | 7 | Group of mammals found in a cete |
| 45% | WOMBATS | 7 | Group of mammals found in a wisdom |
| 45% | EAGLES | 6 | Group of animals found in a convocation |
| 45% | HEDGEHOGS | 9 | Group of pincushions found in an array |
| 45% | VULTURES | 8 | Group of birds found in a venue |