| 2026-02-20 | Wood finish |
| 2025-07-02 | Laundry problem |
| 2025-06-29 | Product in the paint department |
| 2024-09-01 | Long-lasting lip makeup |
| 2023-12-07 | Reputation ruiner |
| 2023-04-09 | Deck treatment |
| 2023-03-26 | Treat, as wood |
| 2022-11-30 | What tomato sauce may do to a shirt |
| 2022-07-14 | Tough spot to get out |
| 2021-12-01 | Leave a mark on |
| 2021-05-14 | Coffee spot? |
| 2020-11-13 | Risk of drinking coffee or wine |
| 2020-02-23 | Spot for a laundromat? |
| 2019-08-23 | Leave a mark on |
| 2019-05-24 | Bring discredit upon |
| 2018-06-20 | Serious damage to one's reputation |
| 2018-04-10 | Blemish on one's reputation |
| 2017-09-13 | Wine may leave one |
| 2017-07-04 | Tough job for a dry cleaner |
| 2014-01-22 | Woodworker's supply |
| 2013-11-26 | Blotch |
| 2013-01-13 | Laundry problem |
| 2011-10-08 | Stigma |
| 2009-09-30 | Coffee spot |
| 2008-11-11 | Result of an ink spill |
| 2007-05-15 | Carpet cleaner target |
| 2005-07-27 | Spot |
| 2004-01-01 | Spill consequence |
| 2003-05-21 | Wood finish |
| 2003-05-11 | Soil |
| 2002-11-27 | Spot of tea? |
| 2002-01-31 | Get a bad mark on? |
| 2000-08-06 | One may be taken to the cleaners |
| 1999-11-06 | See 64-Across |
| 1999-10-31 | One may be taken to the cleaners |
| 1999-01-12 | Gravy spot |
| 1998-01-18 | Laundry woe |
| 1997-09-18 | Microscopy supply |
| 1997-09-12 | Microscopist's reagent |
| 1995-12-10 | Coffee spot |
| 1995-10-29 | Trouble spot |
| 1995-04-23 | Bad mark |
| 1995-01-22 | Splotch |
| 1994-01-03 | Woodworker's choice |