| Clue | Length | Answer |
|---|---|---|
| undersign | 4 letters | sign |
| undersign | 4 letters | seal |
| undersign | 6 letters | second |
| undersign | 6 letters | secure |
| undersign | 6 letters | ratify |
| undersign | 7 letters | support |
| undersign | 7 letters | warrant |
| undersign | 7 letters | sponsor |
| undersign | 8 letters | validate |
| undersign | 8 letters | swear-to |
| undersign | 8 letters | sanction |
| undersign | 10 letters | underwrite |
| undersign | 12 letters | rubber-stamp |
| undersign | 12 letters | stand-up-for |
| undersign | 12 letters | subscribe-to |
| undersign | 12 letters | stand-behind |
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