| 2026-05-04 | Part of a gearwheel |
| 2025-06-30 | Gear tooth |
| 2025-03-11 | Gear tooth |
| 2025-02-16 | Clock part |
| 2025-02-02 | Gear tooth |
| 2024-12-05 | Gear tooth |
| 2024-01-06 | Small part of a system |
| 2022-11-21 | Small but important machine part |
| 2022-06-19 | Lowly worker, so to speak |
| 2021-08-08 | Menial laborer, metaphorically |
| 2021-05-06 | Gear tooth |
| 2021-03-27 | It may be in the works |
| 2020-07-15 | Little part of a big wheel |
| 2020-06-02 | Gear tooth |
| 2020-05-05 | Wheel tooth |
| 2020-04-12 | ___ sci, college major related to psych |
| 2020-01-06 | Gear tooth |
| 2019-10-11 | Minor player |
| 2019-08-30 | Small part of the works |
| 2019-08-23 | Member of the proletariat, metaphorically |
| 2018-10-04 | Minor player, metaphorically |
| 2018-03-04 | Important but sometimes ignored piece |
| 2018-01-06 | Lowly worker |
| 2017-11-30 | Minor but essential part |
| 2017-01-19 | Part of the works |
| 2017-01-13 | Part of the works |
| 2016-10-30 | Part of a wheel |
| 2016-06-29 | Tooth that turns |
| 2015-05-05 | Wheel tooth |
| 2015-03-15 | Interlocking piece |
| 2014-11-10 | Gear tooth |
| 2012-09-14 | Minor but necessary part |
| 2012-03-22 | Certain tooth |
| 2011-08-31 | Minor player, so to speak |
| 2011-04-23 | Peon |
| 2010-11-01 | Machine tooth |
| 2010-05-14 | Machine part |
| 2010-05-02 | Gear tooth |
| 2008-04-13 | Subordinate person |
| 2008-03-24 | Part of a gearwheel |
| 2007-04-30 | Gear part |
| 2006-08-30 | Piece of machinery |
| 2006-08-06 | Minor player |
| 2006-04-06 | Part of a wheel |
| 2005-11-26 | Organization functionary |
| 2004-10-03 | Part of the works |
| 2004-01-01 | Slot filler in a gearwheel |
| 2003-08-24 | Minor functionary |
| 2003-03-11 | Gear part |
| 2002-04-25 | Slip a ___ |
| 2002-04-19 | Lowly worker |
| 2001-04-08 | Important part |
| 2000-10-16 | Small worker in a big organization |
| 1999-07-30 | Minor player |
| 1998-12-21 | Machine tooth |
| 1998-03-06 | Tooth |
| 1997-04-05 | Minor player |
| 1996-08-31 | Sprocket |
| 1996-07-18 | Wheel part |
| 1995-11-22 | Tooth |
| 1994-04-05 | Tooth |
| 1994-02-27 | Part of the works |