| Common contraction of sorts | 27 |
| Common contraction: Pl. | 23 |
| Common conversation starter | 27 |
| Common conveyances | 18 |
| Common cook-off dish | 20 |
| Common cookie | 13 |
| Common cookies | 14 |
| Common cooking compound, chemically | 35 |
| Common cooler | 13 |
| Common Core grp. | 16 |
| Common Core org. | 16 |
| Common cornrow cover | 20 |
| Common coronary heart disease cause | 35 |
| Common correlatives | 19 |
| Common corsage | 14 |
| Common corsage flower | 21 |
| Common cosmetic | 15 |
| Common cosmetic ingredient | 26 |
| Common cosmetics applicator | 27 |
| Common Cosmo feature | 20 |
| Common costume for a costume party | 34 |
| Common cotton swab | 18 |
| Common countdown start | 22 |
| Common course completer | 23 |
| Common course conclusion | 24 |
| Common course penalty | 21 |
| Common court objection | 22 |
| Common court penalty | 20 |
| Common cow moniker | 18 |
| Common cowboy nickname | 22 |
| Common crash site? | 18 |
| Common cricket score | 20 |
| Common crossword bird | 21 |
| Common crossword clue ending | 28 |
| Common crossword clue letters | 29 |
| Common crossword clue tag | 25 |
| Common crossword palindrome | 27 |
| Common crossword tag | 20 |
| Common crossword theme | 22 |
| Common crossword-clue tag | 25 |
| Common crowd reaction in monster films | 38 |
| Common crustacean | 17 |
| Common cryptic clue type | 24 |
| Common crystals, chemically | 27 |
| Common cubicle plant | 20 |
| Common cures? | 13 |
| Common currency | 15 |
| Common curtain color | 20 |
| Common Czech prename | 20 |
| Common dairy quantity | 21 |
| Common daisies | 14 |
| Common daisy | 12 |
| Common dance theme | 18 |
| Common darning spot | 19 |
| Common date itinerary | 21 |
| Common DC license letters | 25 |
| Common death metal exclamation? | 31 |
| Common deciduous tree | 21 |
| Common decongestant ingredient | 30 |
| Common defense mechanism | 24 |
| Common defenses | 15 |
| Common Degas subject | 20 |
| Common degrees | 14 |
| Common deli meat order: Abbr. | 29 |
| Common deliveries | 17 |
| Common deliveries? | 18 |
| Common delivery | 15 |
| Common den fixture | 18 |
| Common denominator | 18 |
| Common dermatology case | 23 |
| Common desiccant | 16 |
| Common desk items | 17 |
| Common desk shape | 17 |
| Common desktop clutter | 22 |
| Common desktop icon | 19 |
| Common dessert | 14 |
| Common dessert ingredient | 25 |
| Common destination | 18 |
| Common destination on a return flight | 37 |
| Common detergent | 16 |
| Common detergent? | 17 |
| Common diagnosis for kids: Abbr. | 32 |
| Common diatomic molecule | 24 |
| Common dice roll | 16 |
| Common dice rolls | 17 |
| Common digital doc format | 25 |
| Common digital download | 23 |
| Common dinner hour | 18 |
| Common diode, abbr. | 19 |
| Common dip ingredient | 21 |
| Common disclaimer | 17 |
| Common disease, for short | 25 |
| Common disorder for bulldogs | 28 |
| Common document requiring signature | 35 |
| Common dog moniker | 18 |
| Common dog name | 15 |
| Common dog tag | 14 |
| Common dog's name | 21 |
| Common domain name ender | 24 |
| Common domain name ending | 25 |