| Pro's remark | 16 |
| Pro's rival | 15 |
| Pro's special skills | 24 |
| Pro's suggestions | 21 |
| Pro's vote | 14 |
| Pro's word | 14 |
| Pro, for one | 12 |
| Pro, half the time | 18 |
| Pro, in the sticks | 18 |
| Pro, informally | 15 |
| Pro- -- (some tourneys) | 23 |
| Pro- or con- | 12 |
| Pro-adoption org. | 17 |
| Pro-am prize | 12 |
| Pro-amateur tourney | 19 |
| Pro-America chant | 17 |
| Pro-ams, e.g. | 13 |
| Pro-Arab assn. since 1964 | 25 |
| Pro-athlete retiree of '99 | 30 |
| Pro-black capitalist clothing company | 37 |
| Pro-Bowl defensive end Umenyiora | 32 |
| Pro-canine org.? | 16 |
| Pro-choice gp. | 14 |
| Pro-Church of England position | 30 |
| Pro-circuit man | 15 |
| Pro-critter org. | 16 |
| Pro-education org. | 18 |
| Pro-environment Dr. Seuss character | 35 |
| Pro-environment prefix | 22 |
| Pro-Fido org. | 13 |
| Pro-firing org. | 15 |
| Pro-football championship game | 30 |
| Pro-football draft bait | 23 |
| Pro-football mecca | 18 |
| Pro-gun gp. | 11 |
| Pro-gun lobby | 13 |
| Pro-gun org. | 12 |
| Pro-gun rights org. | 19 |
| Pro-Hillary PAC formed in 2008 | 30 |
| Pro-hunting grp. | 16 |
| Pro-learning union: Abbr. | 25 |
| Pro-Lincoln cartoonist | 22 |
| Pro-Lincoln political cartoonist Thomas | 39 |
| Pro-Nazi group | 14 |
| Pro-Persian org.? | 17 |
| Pro-Prohibition org. | 20 |
| Pro-proposal vote | 17 |
| Pro-Rover gp. | 13 |
| Pro-school gp. | 14 |
| Pro-school grp. | 15 |
| Pro-school org. | 15 |
| Pro-Second Amendment grp. | 25 |
| Pro-Sharron jewelry? | 20 |
| Pro-shop inventory | 18 |
| Pro-shop item | 13 |
| Pro-shop purchase | 17 |
| Pro-shop purchases | 18 |
| Pro-shop set | 12 |
| Pro-shop supply | 15 |
| Pro-slavery Northerners, before the Civil War | 45 |
| Pro-sports award: Abbr. | 23 |
| Pro-state material | 18 |
| Pro-V hair care brand | 21 |
| Pro-war sort | 12 |
| Pro-wrestling sound | 19 |
| Pro-__ | 6 |
| Pro-__ (some PGA events) | 24 |
| Pro-__ (some tourneys) | 22 |
| Pro-___ | 7 |
| Pro-___ (certain tournaments) | 29 |
| Pro-___ (certain tourneys) | 26 |
| Pro-___ (like someone who views an eating disorder as a lifestyle choice) | 73 |
| Pro-___ (mixed tournaments) | 27 |
| Pro-___ (sneaker brand) | 23 |
| Pro-___ (some tourneys) | 23 |
| Pro-___ (tourneys) | 18 |
| Pro-_____ | 9 |
| Proactiv target | 15 |
| Proactiv target, informally | 27 |
| Proactiv treats it | 18 |
| Proactive people | 16 |
| Proactive person | 16 |
| Proactive slogan | 16 |
| Proas | 5 |
| ProÂ’s opposite | 18 |
| Probabilities | 13 |
| Probability | 11 |
| Probability class manipulative | 30 |
| Probability class prop | 22 |
| Probability graph | 17 |
| Probability number | 18 |
| Probability pioneer | 19 |
| Probability quotation | 21 |
| Probability quote | 17 |
| Probability ratio | 17 |
| Probability stats | 17 |
| Probable | 8 |
| Probable future costs | 21 |
| Probable loser in War | 21 |
| Probable out in baseball | 24 |