IUM
| Date | Clue |
|---|---|
| 2020-09-20 | End of many a name on the periodic table |
| 2008-07-10 | Common suffix on chemical elements |
| 2004-03-21 | Elementary suffix |
| 2000-01-16 | Elemental ending |
| 1999-03-14 | Elementary ending |
| 1997-09-07 | Elemental ending |
| Date | Clue |
|---|---|
| 2020-09-20 | End of many a name on the periodic table |
| 2008-07-10 | Common suffix on chemical elements |
| 2004-03-21 | Elementary suffix |
| 2000-01-16 | Elemental ending |
| 1999-03-14 | Elementary ending |
| 1997-09-07 | Elemental ending |