| Protein for a Stockholmer | 25 |
| Protein for Pliny | 17 |
| Protein generators | 18 |
| Protein hormone | 15 |
| Protein in hair and nails | 25 |
| Protein in milk | 15 |
| Protein in milk and eggs | 24 |
| Protein in muscles | 18 |
| Protein in wheat products | 25 |
| Protein in Wheaties | 19 |
| Protein messenger | 17 |
| Protein molecule | 16 |
| Protein obtained from flaxseed | 30 |
| Protein picture sketched in like two seconds? | 45 |
| Protein powder purveyor | 23 |
| Protein powder retailer | 23 |
| Protein producer | 16 |
| Protein producer, for short | 27 |
| Protein production aid | 22 |
| Protein providers | 17 |
| Protein shake spoonful | 22 |
| Protein shell | 13 |
| Protein source | 14 |
| Protein source for Maoris | 25 |
| Protein source for vegans | 25 |
| Protein source for vegetarians | 30 |
| Protein source from California | 30 |
| Protein sources | 15 |
| Protein stimulants | 18 |
| Protein synthesis controller | 28 |
| Protein synthesis molecule, for short | 37 |
| Protein synthesis participant | 29 |
| Protein synthesizer | 19 |
| Protein synthesizer in genes | 28 |
| Protein synthesizer: abbr. | 26 |
| Protein that allows skin to stretch | 35 |
| Protein unit | 12 |
| Protein's cousin | 20 |
| Protein, say | 12 |
| Protein-building acid | 21 |
| Protein-building polymer | 24 |
| Protein-building polymers | 25 |
| Protein-making stuff | 20 |
| Protein-producing agent, for short | 34 |
| Protein-producing substance | 27 |
| Protein-related acid | 20 |
| Protein-rich alternative to the patch? | 38 |
| Protein-rich bean | 17 |
| Protein-rich bean, to a Brit | 28 |
| Protein-rich beans | 18 |
| Protein-rich crops | 18 |
| Protein-rich dish | 17 |
| Protein-rich edible | 19 |
| Protein-rich entree | 19 |
| Protein-rich food | 17 |
| Protein-rich health food | 24 |
| Protein-rich legume | 19 |
| Protein-rich legume (Var.) | 26 |
| Protein-rich liquids | 20 |
| Protein-rich paste | 18 |
| Protein-rich seed | 17 |
| Protein-rich soup | 17 |
| Protein-rich vegetarian soup | 28 |
| Protein-synthesis strands | 25 |
| Proterozoic or Archeozoic, e.g. | 31 |
| Proterozoic ___ | 15 |
| Proterozoic, for one | 20 |
| Protest | 7 |
| Protest activity | 16 |
| Protest activity for ANWR drilling proponents against EPA officials? | 68 |
| Protest activity for Cheney opponents as he left the White House in January? | 76 |
| Protest activity for farm subsidy opponents? | 44 |
| Protest activity for PETA members against Tyson Foods? | 54 |
| Protest against fiery roadsters? | 32 |
| Protest against squished conditions inside easter candy packaging? | 66 |
| Protest angrily | 15 |
| Protest big time | 16 |
| Protest bitterly | 16 |
| Protest cry | 11 |
| Protest demonstration | 21 |
| Protest dummy | 13 |
| Protest form | 12 |
| Protest formally | 16 |
| Protest gone awry | 17 |
| Protest gone bad | 16 |
| Protest gone bad? | 17 |
| Protest group? | 14 |
| Protest handout | 15 |
| Protest in a jam | 16 |
| Protest in no uncertain terms | 29 |
| Protest leader | 14 |
| Protest long and loud | 21 |
| Protest loudly | 14 |
| Protest movement? | 17 |
| Protest music pioneer | 21 |
| Protest of a kind | 17 |
| Protest of a numbers game? | 26 |
| Protest of a sort | 17 |
| Protest of the '60s | 23 |
| Protest on the floor | 20 |