| Penetrate, as with a bit | 24 |
| Penetrating film genre | 22 |
| Penetrating investigation | 25 |
| Penetrating Kent feature | 24 |
| Penetrating preposition | 23 |
| Penetrating preposition? | 24 |
| Penetrating wind instrument | 27 |
| Penetrating, as a voice | 23 |
| Penguin carrier, maybe | 22 |
| Penguin from Antarctica | 23 |
| Penguin in the funny pages | 26 |
| Penguin on skates, for short | 28 |
| Penguin or seal colony | 22 |
| Penguin perch, perhaps | 22 |
| Penguin portrayer Danny | 23 |
| Penguin's achievement? | 26 |
| Penguin's habitat? | 22 |
| Penguin's spot, maybe | 25 |
| Penguins may be seen on them | 28 |
| Penguins tune of '54 | 24 |
| Penguins' footwear | 22 |
| Penguins' hangouts | 22 |
| Penguins' home?: Abbr. | 26 |
| Penicillin predecessor | 22 |
| Penicillin source, in Sussex | 28 |
| Penicillin target, for short | 28 |
| Penicillin target, sometimes | 28 |
| Penicillin's origin | 23 |
| Peninsula adjoining Israel | 26 |
| Peninsula and town in Quebec | 28 |
| Peninsula bordering Israel | 26 |
| Peninsula in eastern Arabia | 27 |
| Peninsula in SE Quebec | 22 |
| Peninsula in the Adriatic | 25 |
| Peninsula in the U.S.A. | 23 |
| Peninsula near Hong Kong | 24 |
| Peninsula near Singapore | 24 |
| Peninsula near the Red Sea | 26 |
| Peninsula of SE Quebec | 22 |
| Peninsula of the Middle East | 28 |
| Peninsula of the Mideast | 24 |
| Peninsula often in the news | 27 |
| Peninsula south of California | 29 |
| Peninsula south of the border | 29 |
| Peninsula that borders Israel | 29 |
| Penitent person, perhaps | 24 |
| Penitent's activity | 23 |
| Penitent's confidant | 24 |
| Penitent's emotion | 22 |
| Penitent's feeling | 22 |
| Penitent's process | 22 |
| Penitentiary in Illinois | 24 |
| Penitentiary, in slang | 22 |
| Penitents' apparel | 22 |
| Penn & Teller's field | 29 |
| Penn & Teller, e.g. | 23 |
| Penn and Tell, for short | 24 |
| Penn and Teller's act | 25 |
| Penn and Teller's shtick | 28 |
| Penn Central stepchild | 22 |
| Penn Central, etc.: Abbr. | 25 |
| Penn in New York, e.g. | 22 |
| Penn of 'House' | 23 |
| Penn of 'Milk' | 22 |
| Penn of "House" | 25 |
| Penn of "I Am Sam" | 28 |
| Penn of "Milk" | 24 |
| Penn of "The Game" | 28 |
| Penn or Grand Central (abbr.) | 29 |
| Penn State branch site | 22 |
| Penn State campus site | 22 |
| Penn State is part of it | 24 |
| Penn State's in it | 22 |
| Penn State's Nittany ___ | 28 |
| Penn State's pride? | 23 |
| Penn State's ___ Lions | 26 |
| Penn Station train name | 23 |
| Penn who gets a lot of ink | 26 |
| Penn's pen, perhaps | 23 |
| Penn's Pocono ____ | 22 |
| Penn's school of business | 29 |
| Penn's silent partner | 25 |
| Penn, in N.Y.C., is one | 23 |
| Penn. nuclear accident site | 27 |
| Penna. fort of 1754 attack | 26 |
| Pennant-waving spectator | 24 |
| Penned up, like pigs (var.) | 27 |
| Penned, to Shakespeare | 22 |
| Penner of laudatory lines | 25 |
| Penney's personnel | 22 |
| Pennies are small ones | 22 |
| Penniless, in Pennington | 24 |
| Pennines' Monte ___ | 23 |
| Pennington and Burrell | 22 |
| Pennsy, B.&O., etc. | 23 |
| Pennsylvania Anabaptists | 24 |
| Pennsylvania and others | 23 |
| Pennsylvania attraction | 23 |
| Pennsylvania Ave. tenant | 24 |
| Pennsylvania Ave. tween | 23 |