| __ Constitution Hall (DC concert venue) | 39 |
| __ Constitution | 15 |
| __ consequence (unimportant) | 28 |
| __ consequence (significant) | 28 |
| __ consequence (insignificant) | 30 |
| __ consequence | 14 |
| __ Cong | 7 |
| __ conditioning | 15 |
| __ concern | 10 |
| __ con pollo | 12 |
| __ con leche | 12 |
| __ con carne | 12 |
| __ comprehension | 16 |
| __ compos mentis | 16 |
| __ common denominator | 21 |
| __ committee | 12 |
| __ comedy | 9 |
| __ column | 9 |
| __ Cologne | 10 |
| __ collar | 9 |
| __ cold | 7 |
| __ colada (rum cocktail) | 24 |
| __ colada (cocktail) | 20 |
| __ colada | 9 |
| __ coin: decide randomly | 24 |
| __ coffee | 9 |
| __ code (telegraphy system) | 27 |
| __ code (telegrapher's tapping) | 35 |
| __ code | 7 |
| __ Cod, MA | 10 |
| __ Cod | 6 |
| __ Coast, Hawaiian coffee district | 34 |
| __ cluster (military award) | 27 |
| __ Cluck (Daisy Duck pal) | 25 |
| __ club: singing group | 22 |
| __ Club: Costco rival | 21 |
| __ Club: conservation group | 27 |
| __ Club (Costco rival) | 22 |
| __ Club (Costco competitor) | 27 |
| __ Club | 7 |
| __ clown | 8 |
| __ cloud: solar system region beyond Pluto | 42 |
| __ cloud: distant solar system region | 37 |
| __ closet | 9 |
| __ close to schedule | 20 |
| __ clip (bike part) | 19 |
| __ Clemente, Calif. | 19 |
| __ Clemente, CA | 15 |
| __ Clemente | 11 |
| __ cleaner | 10 |
| __ Classic | 10 |
| __ Classé: winemaking category | 33 |
| __ Clapton | 10 |
| __ Claire: women's magazine | 31 |
| __ Claire, Wisconsin | 20 |
| __ Claire, WI | 13 |
| __ Claire | 9 |
| __ City: Baghdad suburb | 23 |
| __ City, Oklahoma | 17 |
| __ City, OK | 11 |
| __ City, Iraq | 13 |
| __ City, CA | 11 |
| __ City (New Haven) | 19 |
| __ city | 7 |
| __ Citros: flavored vodka | 25 |
| __ citizenship | 14 |
| __ Cities | 9 |
| __ citato: in the work cited | 28 |
| __ cit.: in the place sited | 27 |
| __ cit.: footnote abbr. | 23 |
| __ cit. (footnote notation) | 27 |
| __ cit. (footnote abbr.) | 24 |
| __ cit. | 7 |
| __ Circus, where St. Peter was crucified | 40 |
| __ circus | 9 |
| __ circumstances (conditions) | 29 |
| __ circle | 9 |
| __ Christian Andersen | 21 |
| __ Christi | 10 |
| __ choy: Chinese veggie | 23 |
| __ choy (Chinese cabbage) | 25 |
| __ choy | 7 |
| __ cholesterol | 14 |
| __ chic | 7 |
| __ chi: martial art | 19 |
| __ chi: Chinese martial art | 27 |
| __ chi ch'uan | 17 |
| __ chi (martial art) | 20 |
| __ chi | 6 |
| __ cheese dressing | 18 |
| __ cheese | 9 |
| __ chat: ballet move | 20 |
| __ chart | 8 |
| __ Charitable Trusts (PBS patron) | 33 |
| __ chard | 8 |
| __ Chapel: Vatican landmark | 27 |
| __ Chapel | 9 |
| __ chance (pressed one's luck) | 34 |
| __ champêtre: garden party | 29 |
| __ chair | 8 |