| Answer | Crossword Clue |
|---|---|
| IRA | Supplement to SS |
| IRA | SS supplement |
| IRA | SS supplement, for some |
| NORTHWESTPASSAGE | The SS Manhattan was the first commercial ship to cross it |
| ADD | Supplement, with "to" |
| ADD | Supplement (with "to") |
| ADDENDUM | Supplement to a book |
| CODICIL | Supplement to a will. |
| ADDENDUM | Supplement to a book. |
| WASHPAN | Supplement to the kitchen sink. |
| SIDESHOW | Supplement to the main event |
| POLICEMARTEN | Weaselly supplement to a K-9 unit? |
| BOOKREVIEW | Influential weekly New York Times supplement dating back to 1896: 2 wds. |
