| Clue | Source | Date |
|---|---|---|
| Enter oozily | ||
| Enter via cracks | Thomas Joseph | 06 Sep 2024 |
| Slowly enter | Universal | 30 Jun 2024 |
| Enter via cracks (2 wds.) | ||
| Penetrate slowly | Newsday | 31 Dec 2023 |
| Osmose, e.g | Newsday | 09 Apr 2021 |
| Enter via osmosis | Wall Street Journal | 08 Apr 2021 |
| Permeate | ||
| Penetrate slowly | Wall Street Journal | 29 Jul 2019 |
| Enter via cracks | Thomas Joseph | 30 Apr 2019 |
| Penetrate slowly | ||
| Enter gradually | Newsday | 14 Sep 2018 |
| Enter gradually, as water | Newsday | 17 Jan 2018 |
| Permeate | New York Times | 04 Sep 2017 |
| Gradually become noticeable | New York Times | 04 Feb 2017 |
| Permeate | ||
| Gradually become noticeable | ||
| Infiltrate slowly | ||
| Enter slowly | ||
| Penetrate drop by drop | ||
| Percolate | ||
| Enter via osmosis | ||
| Penetrate slowly | ||
| Come through slowly | ||
| Penetrate slowly | ||
| Enter slowly | ||
| Penetrate slowly | ||
| Enter drop by drop | ||
| Infiltrate slowly | ||
| Cross a border, perhaps | ||
| Gradually enter | ||
| Enter via cracks | ||
| Enter slowly | ||
| Enter slowly, in a way | ||
| Slowly penetrate | ||
| Enter through the cracks | ||
| Infiltrate slowly | ||
| Enter through the cracks | ||
| Enter slowly | ||
| Enter gradually |