| Certain collectible artwork, briefly | 36 |
| Certain collectibles | 20 |
| Certain collections | 19 |
| Certain collector | 17 |
| Certain collector's item | 28 |
| Certain collectors | 18 |
| Certain collectors' items | 29 |
| Certain college courses | 23 |
| Certain college deg. | 20 |
| Certain college degrees | 23 |
| Certain college degs. | 21 |
| Certain college member | 22 |
| Certain college members | 23 |
| Certain college music student? | 30 |
| Certain college voters | 22 |
| Certain collegian, for short | 28 |
| Certain collegians | 18 |
| Certain collegiate major, informally | 36 |
| Certain colloids | 16 |
| Certain colonist | 16 |
| Certain colonists | 17 |
| Certain colony member | 21 |
| Certain colony's creation | 29 |
| Certain color | 13 |
| Certain Colorado headgear? | 26 |
| Certain Colorado native | 23 |
| Certain colorist | 16 |
| Certain colorists | 17 |
| Certain column | 14 |
| Certain column writers | 22 |
| Certain combat | 14 |
| Certain combat engineers | 24 |
| Certain combination of gables | 29 |
| Certain combos | 14 |
| Certain combustibles | 20 |
| Certain commandment breaker | 27 |
| Certain commando | 16 |
| Certain commissioner's charge, briefly | 42 |
| Certain committee | 17 |
| Certain committee member | 24 |
| Certain commodities | 19 |
| Certain community centers | 25 |
| Certain commuter's aid | 26 |
| Certain commuter's destination: Abbr. | 41 |
| Certain commuters | 17 |
| Certain company's concern | 29 |
| Certain compartments in buildings | 33 |
| Certain compass dir. | 20 |
| Certain compass point | 21 |
| Certain compass pt. | 19 |
| Certain compasses | 17 |
| Certain compensation | 20 |
| Certain competitions | 20 |
| Certain complaining | 19 |
| Certain complex | 15 |
| Certain compound | 16 |
| Certain compounds of N: prefix | 30 |
| Certain computer command | 24 |
| Certain computer connection, briefly | 36 |
| Certain computer grouping, for short | 36 |
| Certain computer image format | 29 |
| Certain computer keys | 21 |
| Certain computer message | 24 |
| Certain computer picture type | 29 |
| Certain computer purchaser? | 27 |
| Certain computer purchases | 26 |
| Certain computer screen | 23 |
| Certain computer, informally | 28 |
| Certain computers | 17 |
| Certain con | 11 |
| Certain concert-goer | 20 |
| Certain condiment | 17 |
| Certain condiment's origin | 30 |
| Certain conductors | 18 |
| Certain conduits | 16 |
| Certain cone | 12 |
| Certain confections | 19 |
| Certain confederations | 22 |
| Certain confession | 18 |
| Certain configurations of sails | 31 |
| Certain congratulations | 23 |
| Certain congregation members | 28 |
| Certain congressman | 19 |
| Certain conic section | 21 |
| Certain conic section, in math | 30 |
| Certain conic sections | 22 |
| Certain conifer | 15 |
| Certain conifers | 16 |
| Certain conjunction | 19 |
| Certain conjunction, in a poem or a text message | 48 |
| Certain conjunctions | 20 |
| Certain Connecticut coeds | 25 |
| Certain Connecticut collegian | 29 |
| Certain connection makers | 25 |
| Certain connections | 19 |
| Certain connectors | 18 |
| Certain conservative | 20 |
| Certain consonant | 17 |
| Certain consonants | 18 |
| Certain constellation star | 26 |