| Text | Length |
| Petrarchan works | 16 |
| Petrel bird with saw-toothed bills | 34 |
| Petrel or pelican | 17 |
| Petrel's cousin | 19 |
| Petrels and pelicans | 20 |
| Petrels' kin | 16 |
| Petrels, shearwaters, etc. | 26 |
| Petri dish content | 18 |
| Petri dish contents | 19 |
| Petri dish contents, perhaps | 28 |
| Petri dish contents, sometimes | 30 |
| Petri dish filler | 17 |
| Petri dish gel | 14 |
| Petri dish gelatin | 18 |
| Petri dish gels | 15 |
| Petri dish jelly | 16 |
| Petri dish layer | 16 |
| Petri dish material | 19 |
| Petri dish medium | 17 |
| Petri dish mixture | 18 |
| Petri dish stuff | 16 |
| Petri dish substance | 20 |
| Petri dish substances | 21 |
| Petri dishes' contents | 26 |
| Petri-dish contents | 19 |
| Petri-dish filler | 17 |
| Petri-dish gel | 14 |
| Petri-dish gel, perhaps | 23 |
| Petri-dish matter | 17 |
| Petri-dish medium | 17 |
| Petri-dish stuff | 16 |
| Petrified | 9 |
| Petrified Forest flora | 22 |
| Petrified Forest Natl. Park setting | 35 |
| Petrified Forest site | 21 |
| Petrified Forest souvenirs | 26 |
| Petrified product of Pa. | 24 |
| Petrified weeper of myth | 24 |
| Petrified wood? | 15 |
| Petrify | 7 |
| Petro giant | 11 |
| Petro group | 11 |
| Petro purchase measure | 22 |
| Petro-Canada alternative | 24 |
| Petro-Canada competitor | 23 |
| Petro-Canada purchase | 21 |
| Petro-Canada rival | 18 |
| Petro-pumper | 12 |
| Petrobras commodity | 19 |
| Petrocelli of the Red Sox | 26 |
| Petrocelli of baseball | 22 |
| Petrocelli of Red Sox fame | 26 |
| Petrocelli or Carty | 19 |
| Petrodollar source | 18 |
| Petroglyph animal | 17 |
| Petroglyph period | 17 |
| Petrograd pooh-bah | 18 |
| Petrographer's collection | 29 |
| Petrol | 6 |
| Petrol amount | 13 |
| Petrol amounts | 14 |
| Petrol brand | 12 |
| Petrol company owned by Imperial Oil | 36 |
| Petrol measure | 14 |
| Petrol measures | 15 |
| Petrol pick | 11 |
| Petrol plan, part 1 of 3 | 24 |
| Petrol plan, part 2 of 3 | 24 |
| Petrol plan, part 3 of 3 | 24 |
| Petrol provider | 15 |
| Petrol pump letters | 19 |
| Petrol pump unit | 16 |
| Petrol pumper | 13 |
| Petrol purchase | 15 |
| Petrol purchases | 16 |
| Petrol purveyor | 15 |
| Petrol quantities | 17 |
| Petrol quantity | 15 |
| Petrol seller | 13 |
| Petrol station choice | 21 |
| Petrol station name | 19 |
| Petrol unit | 11 |
| Petrol units | 12 |
| Petrol utiliser | 15 |
| Petrol, e.g. | 12 |
| Petrol, stateside | 17 |
| Petrol-station accessory | 24 |
| Petrol-station stopper | 22 |
| Petroleum | 9 |
| Petroleum by-product | 20 |
| Petroleum byproduct | 19 |
| Petroleum cartel | 16 |
| Petroleum center on the Gulf of Mexico | 38 |
| Petroleum company | 17 |
| Petroleum company with a famous sign seen from Fenway Park | 58 |
| Petroleum company, informally | 29 |
| Petroleum component | 19 |
| Petroleum derivative | 20 |
| Petroleum distillate | 20 |
| Petroleum distillate used as fuel | 33 |
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