| Source of riches | 16 |
| Source of rings | 15 |
| Source of Rockefeller money | 27 |
| Source of Rockefeller wealth | 28 |
| Source of Rockefeller's wealth | 34 |
| Source of rocks? | 16 |
| Source of roe | 13 |
| Source of roof noise | 20 |
| Source of Roquefort cheese | 26 |
| Source of roughage | 18 |
| Source of royal insomnia | 24 |
| Source of rubber | 16 |
| Source of ruin | 14 |
| Source of rump roast | 20 |
| Source of running water | 23 |
| Source of Russian news | 22 |
| Source of sage advice | 21 |
| Source of sake | 14 |
| Source of salad greens | 22 |
| Source of Samson's strength | 31 |
| Source of sap | 13 |
| Source of saturated fat | 23 |
| Source of sauce | 15 |
| Source of sauce or milk | 23 |
| Source of Scandinavian mythology | 32 |
| Source of scandium | 18 |
| Source of school stress | 23 |
| Source of scores | 16 |
| Source of secondhand goods | 26 |
| Source of secret cables | 23 |
| Source of security | 18 |
| Source of self-satisfaction | 27 |
| Source of Seoul food | 20 |
| Source of sexual dysfunction? | 29 |
| Source of shade | 15 |
| Source of shale oil | 19 |
| Source of shavings | 18 |
| Source of shoots | 16 |
| Source of showroom shock? | 25 |
| Source of Siamese supplies | 26 |
| Source of sibilance | 19 |
| Source of sign shine | 20 |
| Source of silky wool | 20 |
| Source of silver | 16 |
| Source of sink suds | 19 |
| Source of sisal hemp | 20 |
| Source of skin-softening oil | 28 |
| Source of smokes that are illegal in the U.S. | 45 |
| Source of smooth talk | 21 |
| Source of snack seeds | 21 |
| Source of sodium for college students | 37 |
| Source of sodium from Keebler | 29 |
| Source of soft down | 19 |
| Source of soft fabric | 21 |
| Source of soft feathers | 23 |
| Source of softwood | 18 |
| Source of Solomon's gold | 28 |
| Source of some '60s trips | 29 |
| Source of some airstrikes | 25 |
| Source of some alarms | 21 |
| Source of some allergic reactions | 33 |
| Source of some allergies | 24 |
| Source of some bangs | 20 |
| Source of some bash.org material | 32 |
| Source of some benefits | 23 |
| Source of some big waves | 24 |
| Source of some blasts | 21 |
| Source of some blowups | 22 |
| Source of some blues | 20 |
| Source of some brandy | 21 |
| Source of some breakfast juice | 30 |
| Source of some carbs | 20 |
| Source of some cats and carpets | 31 |
| Source of some chest thumping | 29 |
| Source of some cigars | 21 |
| Source of some clicking | 23 |
| Source of some clicks | 21 |
| Source of some coffee | 21 |
| Source of some cubes | 20 |
| Source of some cures | 20 |
| Source of some D.C. funding | 27 |
| Source of some December food poisoning | 38 |
| Source of some discrimination | 29 |
| Source of some expensive wood | 29 |
| Source of some extracts | 23 |
| Source of some filings | 22 |
| Source of some flashbacks | 25 |
| Source of some fluff | 20 |
| Source of some food poisoning | 29 |
| Source of some foot-stomping | 28 |
| Source of some fossils | 22 |
| Source of some frenzy | 21 |
| Source of some Genesis attire? | 30 |
| Source of some grease | 21 |
| Source of some greens | 21 |
| Source of some hallucinations | 29 |
| Source of some health food store oil | 36 |
| Source of some Hurricane Katrina insurance claims | 49 |
| Source of some inside humor? | 28 |
| Source of some inside info? | 27 |