| Periodontist's grp. | 23 |
| Periodontist's org. | 23 |
| Periodontists' grp. | 23 |
| Periodontists' org. | 23 |
| Periods for Aries and Taurus | 28 |
| Periods for geologists | 22 |
| Periods immediately before | 26 |
| Periods in prison, e.g. | 23 |
| Periods just past midnight | 26 |
| Periods just past sunset | 24 |
| Periods of development | 22 |
| Periods of distinction | 22 |
| Periods of duty at sea | 22 |
| Periods of extra mins. | 22 |
| Periods of good fortune | 23 |
| Periods of great success | 24 |
| Periods of highest vigor | 24 |
| Periods of historical note | 26 |
| Periods of intense pressure | 27 |
| Periods of milit. service | 25 |
| Periods of pious seclusion | 26 |
| Periods of powerlessness | 24 |
| Periods of rain, often | 22 |
| Periods of revolution? | 22 |
| Periods of the academic year | 28 |
| Periods of time: Abbr. | 22 |
| Periods preceding big events | 28 |
| Periods when many go to lunch | 29 |
| Periods worth remembering | 25 |
| Peripatetic football team | 25 |
| Peripatetic religious leader | 28 |
| Peripheral basilica feature | 27 |
| Peripheral plug-in places | 25 |
| Peripheral-vision thwarters | 27 |
| Periscope's source | 22 |
| Perishable fashion accessory | 28 |
| Perishables for Jan. 1 | 22 |
| Peritonitis cause, perhaps | 26 |
| Perjurer's admission | 24 |
| Perjurer's confession | 25 |
| Perjurer's offense | 22 |
| Perjurer's predilection | 27 |
| Perjurers' statements | 25 |
| Perjury and piracy, for two | 27 |
| Perk for a C.E.O., maybe | 24 |
| Perk for a pool party? | 22 |
| Perk recipients, usually | 24 |
| Perk up a straightedge | 22 |
| Perk up one's ears | 22 |
| Perk up, as an appetite | 23 |
| Perk up, in Portsmouth | 22 |
| Perkins of the theater | 22 |
| Perkins's killer role | 25 |
| Perkins, Greeley et al. | 23 |
| Perle of parties: 1889-1975 | 27 |
| Perle ___, memorable hostess | 28 |
| Perley of journalistic fame | 27 |
| Perlman married to DeVito | 25 |
| Perlman of 'Cheers' | 27 |
| Perlman of 'Kirstie' | 28 |
| Perlman of 'Matilda' | 28 |
| Perlman of "Cheers" | 29 |
| Perlman of "Pearl" | 28 |
| Perlman of TV and film | 22 |
| Permanent cell occupier | 23 |
| Permanent consequences? | 23 |
| Permanent definition (Part 2) | 29 |
| Permanent definition (Part 3) | 29 |
| Permanent hair removal spots | 28 |
| Permanent mark, casually | 24 |
| Permanent military procedures | 29 |
| Permanent pen resident | 22 |
| Permanent resident, maybe | 25 |
| Permanent spot on a dress | 25 |
| Permanent way to write | 22 |
| Permanent-magnet alloy | 22 |
| Permanently attached: biol. | 27 |
| Permanently in Lit class | 24 |
| Permanently mark in stone | 25 |
| Permanently mark, in a way | 26 |
| Permanently sever ties | 22 |
| Permanently, as writing | 23 |
| Permeable parts of trees | 24 |
| Permeable plant feature | 23 |
| Permeate with a spirit | 22 |
| Permeates, as with flavor | 25 |
| Permian Period, in Europe | 25 |
| Permission slips, e.g. | 22 |
| Permission solicitation | 23 |
| Permission to be absent | 23 |
| Permission to leave a diocese | 29 |
| Permission to leave Oxford | 26 |
| Permission-slip signer, often | 29 |
| Permit for leaving a country | 28 |
| Permit to leave the country | 27 |
| Permits passage, perhaps | 24 |
| Permits, British style | 22 |
| Permutes or transmutes | 22 |
| Pernicious or perifidious | 25 |
| Peropteryx sandlottia? | 22 |