| Pen dwellers | 12 |
| Pen emanation | 13 |
| Pen emission | 12 |
| Pen end | 7 |
| Pen ends | 8 |
| Pen entrance | 12 |
| Pen fill | 8 |
| Pen filled with mud | 19 |
| Pen filler | 10 |
| Pen filler, in France | 21 |
| Pen filler, perhaps | 19 |
| Pen filler? | 11 |
| Pen fluid | 9 |
| Pen fluids | 10 |
| Pen for a pet pig? | 18 |
| Pen for Lewis Carroll? | 22 |
| Pen for no credit | 17 |
| Pen for Pedro | 13 |
| Pen for pigs | 12 |
| Pen for pot-bellies | 19 |
| Pen for sheep | 13 |
| Pen for tars | 12 |
| Pen full of oink | 16 |
| Pen giant | 9 |
| Pen group | 9 |
| Pen handle? | 11 |
| Pen holder | 10 |
| Pen holder? | 11 |
| Pen holders | 11 |
| Pen holders? | 12 |
| Pen holdings | 12 |
| Pen in | 6 |
| Pen inhabitant | 14 |
| Pen ink | 7 |
| Pen insert | 10 |
| Pen knife | 9 |
| Pen knife? | 10 |
| Pen knives? | 11 |
| Pen maker | 9 |
| Pen man? | 8 |
| Pen mothers | 11 |
| Pen name | 8 |
| Pen name for "The Conning Tower" columnist | 52 |
| Pen name for actor Richard? | 27 |
| Pen name for Angela Lansbury's character on "Murder, She Wrote" | 77 |
| Pen name for Charles Lamb | 25 |
| Pen name for Clemens | 20 |
| Pen name for Dickens | 20 |
| Pen name for H. H. Munro | 24 |
| Pen name for Ramée | 21 |
| Pen name of Baronne Dudevant | 28 |
| Pen name of Charles Dickens | 27 |
| Pen name of Charles Dodgson | 27 |
| Pen name of Charles Henry Smith | 31 |
| Pen name of Charles Lamb | 24 |
| Pen name of Coleridge's good friend | 39 |
| Pen name of columnist Pauline Phillips | 38 |
| Pen name of Elizabeth Mackintosh | 32 |
| Pen name of Emile Chartier | 26 |
| Pen name of etiquette doyenne Judith Martin | 43 |
| Pen name of fame | 16 |
| Pen name of H. H. Munro | 23 |
| Pen name of H.H. Munro | 22 |
| Pen name of Jacques Thibault | 28 |
| Pen name of Jean-Baptiste Poquelin | 34 |
| Pen name of Marie Louise de la Ramée | 39 |
| Pen name of Mary Ann Evans | 26 |
| Pen name of Munro | 17 |
| Pen name of novelist de la Ramée | 35 |
| Pen name of novelist Viaud | 26 |
| Pen name of Philo Vance's creator | 37 |
| Pen name of the Brontës | 26 |
| Pen name of writer J. Schopfer | 30 |
| Pen name of writer Viaud | 24 |
| Pen name used by Viaud | 22 |
| Pen name: Abbr. | 15 |
| Pen name? | 9 |
| Pen names | 9 |
| Pen names derived from real people | 34 |
| Pen names? | 10 |
| Pen necessity | 13 |
| Pen needs | 9 |
| Pen noise | 9 |
| Pen noises | 10 |
| Pen occupants | 13 |
| Pen on a ship | 13 |
| Pen option | 10 |
| Pen or cob | 10 |
| Pen or hen | 10 |
| Pen or lighter | 14 |
| Pen or Pay follower | 19 |
| Pen or pencil, e.g. | 19 |
| Pen or pound | 12 |
| Pen output | 10 |
| Pen pa? | 7 |
| Pen pad? | 8 |
| Pen pal | 7 |
| Pen pal chatter? | 16 |
| Pen pal greetings? | 18 |
| Pen pal in Paris, perhaps | 25 |