| 2026-02-04 | Great Plains nation |
| 2026-01-08 | Indigenous people at the center of 2023's "Killers of the Flower Moon" |
| 2025-05-03 | Tribe in "Killers of the Flower Moon" |
| 2024-03-24 | "Killers of the Flower Moon" tribe |
| 2024-03-05 | "August: ___ County" (Pulitzer-winning play) |
| 2022-08-09 | Missouri River tributary |
| 2022-05-25 | ___ orange |
| 2022-05-03 | Tributary of the Missouri River |
| 2022-05-01 | "August: ___ County" (Tracy Letts play) |
| 2020-09-12 | ___ orange |
| 2019-12-20 | Inedible kind of orange |
| 2019-05-29 | River named for a Plains tribe |
| 2019-01-06 | Plains tribe |
| 2018-11-30 | County in a Pulitzer-winning play title |
| 2018-09-09 | Great Plains tribe |
| 2018-08-16 | County name in Kansas, Missouri and Oklahoma |
| 2017-12-04 | ___ orange |
| 2017-01-16 | Missouri river or tribe |
| 2016-03-11 | Major tributary of the Missouri |
| 2016-01-27 | River to the Missouri |
| 2014-12-29 | "August: ___ County" (2008 Pulitzer Prize-winning play) |
| 2014-10-26 | Missouri tributary |
| 2014-05-28 | ___ orange |
| 2014-04-16 | Oklahoma Indian |
| 2013-12-12 | Missouri's ___ River |
| 2013-11-10 | "August: ___ County" (2008 Pulitzer winner for Drama) |
| 2013-03-24 | Traditional enemies of the Kiowa |
| 2012-04-03 | Missouri river to the Missouri River |
| 2011-07-25 | Missouri river or tribe |
| 2010-09-12 | ___ orange |
| 2010-04-29 | County name in Kansas, Missouri and Oklahoma |
| 2010-04-02 | Dakota relative |
| 2010-03-31 | Lake of the Ozarks feeder |
| 2010-03-28 | With 21-Across, native Oklahoma group |
| 2010-01-05 | Missouri Indian |
| 2009-10-26 | Missouri river or Indian |
| 2009-07-27 | ___ orange |
| 2008-10-12 | Missouri feeder |
| 2008-10-10 | Language related to Winnebago |
| 2008-10-04 | County in Kansas, Missouri or Oklahoma |
| 2008-07-02 | Missouri River tributary |
| 2008-06-10 | Missouri river |
| 2007-04-22 | Bagnell Dam river |
| 2007-04-15 | Plains tribe |
| 2006-04-30 | Show Me State river |
| 2005-06-11 | Fort on the Missouri |
| 2004-03-12 | Bagnell Dam river |
| 2003-11-15 | ___ orange |
| 2003-08-21 | Oklahoma tribe |
| 2003-08-13 | Inedible orange |
| 2002-12-11 | River that feeds the Missouri |
| 2002-06-10 | Missouri river |
| 2002-05-09 | Missouri River tributary |
| 2001-10-16 | Missouri River tributary |
| 2001-02-17 | Missouri feeder |
| 2001-01-14 | River named for an Indian tribe |
| 2000-10-18 | Inedible orange |
| 2000-09-20 | Siouan language |
| 2000-08-08 | ___ orange |
| 1999-12-11 | Siouan tongue |
| 1999-11-30 | Largest tributary of the Missouri |
| 1999-11-08 | River spanned by the Bagnell Dam |
| 1999-08-08 | Lake of the Ozarks river |
| 1999-05-23 | Plains Indian |
| 1999-04-03 | Missouri feeder |
| 1998-05-22 | Missouri feeder |
| 1998-05-14 | River to the Missouri |
| 1997-10-26 | Missouri feeder |
| 1997-10-16 | River through the Lake of the Ozarks |
| 1997-04-25 | Inedible orange |
| 1997-03-05 | Missouri river |
| 1996-12-17 | ___ orange |
| 1996-12-01 | Midwest tribe |
| 1996-11-29 | River to the Missouri |
| 1996-08-26 | Lake of the Ozarks' river |
| 1995-12-12 | Plains Indian |
| 1995-07-20 | Oklahoma tribe |
| 1995-06-25 | Lake of the Ozarks tributary |
| 1995-05-09 | Kind of orange |
| 1995-05-04 | Siouan tongue |
| 1995-04-10 | Siouan Indian |
| 1995-01-28 | River through Lake of the Ozarks |
| 1995-01-07 | River to the Missouri |
| 1994-09-13 | Kind of orange |
| 1994-09-04 | Missouri tributary |
| 1994-03-25 | Tree cultivated for hedges |
| 1994-03-23 | River to the Missouri |
| 1994-02-22 | River to the Missouri |
| 1994-01-29 | Orange or Indian |