There are in total 12 words ending with the letter F and 12 letters in length.
| Word | Length |
|---|---|
| antidandruff | 12 |
| burglarproof | 12 |
| counterbluff | 12 |
| counterproof | 12 |
| draughtproof | 12 |
| feedingstuff | 12 |
| handkerchief | 12 |
| outfangthief | 12 |
| quarterstaff | 12 |
| shatterproof | 12 |
| undersheriff | 12 |
| weatherproof | 12 |