| Sour cream's base, often | 28 |
| Sour curdled milk | 17 |
| Sour drink | 10 |
| Sour Elvis Costello song? | 25 |
| Sour ending? | 12 |
| Sour expressions | 16 |
| Sour fruit | 10 |
| Sour grapes type | 16 |
| Sour grapes? | 12 |
| Sour gum tree | 13 |
| Sour in taste | 13 |
| Sour liquid | 11 |
| Sour liquids | 12 |
| Sour milk quality | 17 |
| Sour milk tip-off | 17 |
| Sour milk trait | 15 |
| Sour mood | 9 |
| Sour note | 9 |
| Sour notes | 10 |
| Sour notes? | 11 |
| Sour or bitter in taste | 23 |
| Sour orange, in French cuisine | 30 |
| Sour plums | 10 |
| Sour purple fruit | 17 |
| Sour quaff, in Sussex | 21 |
| Sour server | 11 |
| Sour sort | 9 |
| Sour states | 11 |
| Sour substance | 14 |
| Sour substances | 15 |
| Sour tasting | 12 |
| Sour things | 11 |
| Sour trumpet note | 17 |
| Sour U2 "Zooropa" hit? | 32 |
| Sour U2 hit? | 12 |
| Sour U2 song? | 13 |
| Sour __ | 7 |
| Sour's partner | 18 |
| Sour, as a stomach | 18 |
| Sour, as milk | 13 |
| Sour, fermented liquid | 22 |
| Sour, in Salerno | 16 |
| Sour, in Siena | 14 |
| Sour, musically | 15 |
| Sour-cream concoctions | 22 |
| Sour-cream creation | 19 |
| Sour-cream morsels | 18 |
| Sour-cream quantity | 19 |
| Sour-cream tidbit | 17 |
| Sour-faced one | 14 |
| Sour-grapes author | 18 |
| Sour-grapes man | 15 |
| Sour-orange oil | 15 |
| Sour-smelling | 13 |
| Sour-tasting | 12 |
| Sour-tasting substance | 22 |
| Sour; biting | 12 |
| Sourball quality | 16 |
| Sourballs, e.g. | 15 |
| Source | 6 |
| Source du pâté | 20 |
| Source for 20s, briefly | 23 |
| Source for 20s, for short | 25 |
| Source for a movie, often | 25 |
| Source for a movie, sometimes | 29 |
| Source for a potter's material | 34 |
| Source for a sermon | 19 |
| Source for a symbol of peace | 28 |
| Source for an outburst | 22 |
| Source for chutzpah | 19 |
| Source for Crusoe? | 18 |
| Source for D.C. news | 20 |
| Source for easy money | 21 |
| Source for finding out if that was actually Courteney Cox in "Masters of the Universe" | 96 |
| Source for home viewing | 23 |
| Source for many a political writer | 34 |
| Source for many US officers | 27 |
| Source for ore | 14 |
| Source for Pravda | 17 |
| Source for raw metal | 20 |
| Source for silver | 17 |
| Source for some building material | 33 |
| Source for some jam makers | 26 |
| Source for the press | 20 |
| Source for the tune of "It's Now or Never" | 56 |
| Source for Wagner's "The Ring of the Nibelung" | 60 |
| Source for Woodward | 19 |
| Source manuscript | 17 |
| Source material | 15 |
| Source material for Broadway's "Seussical" | 56 |
| Source of "coffee" and "cotton" | 51 |
| Source of "ear-itation" | 33 |
| Source of "frankenfood," briefly | 42 |
| Source of "helicopter seeds" | 38 |
| Source of "I will both lay me down in peace, and sleep" | 65 |
| Source of "It is more blessed to give than to receive" | 64 |
| Source of "let us eat and drink; for tomorrow we shall die" | 69 |
| Source of "Once more unto the breach" | 47 |
| Source of "Physician, heal thyself" | 45 |
| Source of "Rise up, my love, my fair one, and come away" | 66 |