| Solution | Length | |
|---|---|---|
| 4 letters | ||
| flea | 4 | |
| tick | 4 | |
| 5 letters | ||
| shark | 5 | |
| louse | 5 | |
| leech | 5 | |
| 6 letters | ||
| tsetse | 6 | |
| sucker | 6 | |
| sponge | 6 | |
| bedbug | 6 | |
| 7 letters | ||
| lamprey | 7 | |
| sponger | 7 | |
| vulture | 7 | |
| vampire | 7 | |
| 8 letters | ||
| parasite | 8 | |
| 9 letters | ||
| racketeer | 9 | |
| profiteer | 9 | |
| 11 letters | ||
| robbinleech | 11 | |