| 2026-02-25 | Era competitor |
| 2025-09-10 | Suffix with sulf- |
| 2024-08-12 | Ending with sulf- or fluor- |
| 2024-04-11 | Ending with fluor- or chlor- |
| 2022-06-24 | Chemical suffix |
| 2021-12-09 | Carb- follower |
| 2019-04-19 | Chemical suffix |
| 2018-01-26 | Common suffix for 7-Downs |
| 2016-12-22 | Perfect |
| 2015-09-14 | Suffix with cyan- |
| 2014-11-05 | Chemical suffix |
| 2014-08-30 | Ox- tail? |
| 2014-08-17 | Suffix with glycer- |
| 2014-03-17 | Suffix with sulf- |
| 2013-09-15 | Suffix with fluor- or chlor- |
| 2011-12-02 | Chemical ending |
| 2011-11-22 | Suffix with brom- |
| 2011-09-13 | Suffix with ox- or sulf- |
| 2011-05-27 | Periodic table suffix |
| 2010-08-12 | Chemical suffix |
| 2010-04-25 | Chemical suffix |
| 2010-03-30 | Chemical suffix |
| 2010-03-18 | Lanthan- suffix |
| 2009-12-15 | Suffix with chlor- or sulf- |
| 2009-06-21 | Chemical suffix |
| 2009-04-27 | Suffix with chlor- |
| 2008-09-21 | Suffix with cyan- |
| 2008-06-28 | Chemical suffix |
| 2008-05-04 | Chemical suffix |
| 2008-03-05 | Chemical compound suffix |
| 2007-02-11 | Chemical suffix |
| 2006-05-21 | Suffix with lact- |
| 2006-02-20 | Suffix with hydrox- |
| 2005-08-29 | Suffix with chlor- or sulf- |
| 2005-05-16 | Suffix with chlor- |
| 2005-03-09 | Chemical suffix |
| 2004-12-09 | Suffix with glycer- |
| 2003-02-16 | Suffix with glycer- |
| 2002-09-08 | Chemical suffix |
| 2002-03-10 | Suffix with chlor- |
| 2001-08-25 | Suffix with brom- |
| 2001-04-13 | Chemical ending |
| 2000-12-18 | Suffix with sulf- |
| 2000-12-15 | Chemical suffix |
| 2000-09-10 | Chemical suffix |
| 1999-11-24 | Suffix with sulf- |
| 1999-02-26 | Suffix with sulf- |
| 1998-05-24 | Chemical suffix |
| 1997-09-26 | Chemical suffix |
| 1995-10-01 | Fish of the carp family |
| 1995-07-15 | Chemical suffix |
| 1995-07-06 | Chemical suffix |
| 1994-08-13 | Chemical suffix |
| 1994-07-29 | Chemical suffix |