| Certain competitions | 20 |
| Certain compensation | 20 |
| Certain compasses | 17 |
| Certain compass pt. | 19 |
| Certain compass point | 21 |
| Certain compass dir. | 20 |
| Certain compartments in buildings | 33 |
| Certain company's concern | 29 |
| Certain commuters | 17 |
| Certain commuter's destination: Abbr. | 41 |
| Certain commuter's aid | 26 |
| Certain community centers | 25 |
| Certain commodities | 19 |
| Certain committee member | 24 |
| Certain committee | 17 |
| Certain commissioner's charge, briefly | 42 |
| Certain commando | 16 |
| Certain commandment breaker | 27 |
| Certain combustibles | 20 |
| Certain combos | 14 |
| Certain combination of gables | 29 |
| Certain combat engineers | 24 |
| Certain combat | 14 |
| Certain column writers | 22 |
| Certain column | 14 |
| Certain colorists | 17 |
| Certain colorist | 16 |
| Certain Colorado native | 23 |
| Certain Colorado headgear? | 26 |
| Certain color | 13 |
| Certain colony's creation | 29 |
| Certain colony member | 21 |
| Certain colonists | 17 |
| Certain colonist | 16 |
| Certain colloids | 16 |
| Certain collegiate major, informally | 36 |
| Certain collegians | 18 |
| Certain collegian, for short | 28 |
| Certain college voters | 22 |
| Certain college music student? | 30 |
| Certain college members | 23 |
| Certain college member | 22 |
| Certain college degs. | 21 |
| Certain college degrees | 23 |
| Certain college deg. | 20 |
| Certain college courses | 23 |
| Certain collectors' items | 29 |
| Certain collectors | 18 |
| Certain collector's item | 28 |
| Certain collector | 17 |
| Certain collections | 19 |
| Certain collectibles | 20 |
| Certain collectible artwork, briefly | 36 |
| Certain collectible | 19 |
| Certain collars and jackets | 27 |
| Certain collars | 15 |
| Certain collar's nemesis | 28 |
| Certain collar | 14 |
| Certain cold cut | 16 |
| Certain coin | 12 |
| Certain coifs | 13 |
| Certain coiffure | 16 |
| Certain cohabitant | 18 |
| Certain cognacs, familiarly | 27 |
| Certain coffee table shape | 26 |
| Certain coffee order | 20 |
| Certain coffee | 14 |
| Certain code carrier | 20 |
| Certain code | 12 |
| Certain cocktails | 17 |
| Certain cocktail, informally | 28 |
| Certain cocktail lover | 22 |
| Certain cockerel | 16 |
| Certain cobras | 14 |
| Certain coats | 13 |
| Certain coastal bird | 20 |
| Certain Coast Guard officers | 28 |
| Certain Coast Guard member: Abbr. | 33 |
| Certain co. plans | 17 |
| Certain clues | 13 |
| Certain clubs | 13 |
| Certain club restriction | 24 |
| Certain club reservations | 25 |
| Certain club members | 20 |
| Certain club member | 19 |
| Certain club | 12 |
| Certain clouds | 14 |
| Certain cloud formations | 24 |
| Certain clothing tag | 20 |
| Certain cloth worker | 20 |
| Certain cloth that has a sheen | 30 |
| Certain cloth | 13 |
| Certain closet contents | 23 |
| Certain cloisters | 17 |
| Certain clock shape | 19 |
| Certain clock setting: Abbr. | 28 |
| Certain clock | 13 |
| Certain clipping | 16 |
| Certain clip-on, briefly | 24 |
| Certain clerk's concern | 27 |