| Cosmos' org. | 16 |
| Cosmos, e.g. | 12 |
| Cosmoscope | 10 |
| Cosplayer at PAX East, most likely | 34 |
| Cossack Bulba | 13 |
| Cossack chief | 13 |
| Cossack leader | 14 |
| Cossack leaders | 15 |
| Cossack region | 14 |
| Cossack's leather whip | 26 |
| Cossack's milieu | 20 |
| Cossack's turf | 18 |
| Cossack, usually | 16 |
| CossackÂ’s weapon | 20 |
| Cossacks chiefs | 15 |
| Cossacks' employer | 22 |
| Cossacks' leader | 20 |
| Cosset | 6 |
| Cosset a corgi | 14 |
| Cossets | 7 |
| Cossette | 8 |
| Cost | 4 |
| Cost -- and a leg | 17 |
| Cost add-on | 11 |
| Cost after deductions | 21 |
| Cost an arm -- leg | 18 |
| Cost an arm and __ | 18 |
| Cost an arm ___ leg | 19 |
| Cost as much as | 15 |
| Cost at a Walmart competitor? | 29 |
| Cost at poker | 13 |
| Cost clarification word | 23 |
| Cost containment measure | 24 |
| Cost estimate | 13 |
| Cost for a deal? | 16 |
| Cost for a dozen, in a phrase | 29 |
| Cost for a dozen, sometimes | 27 |
| Cost for airtime | 16 |
| Cost for chemistry students | 27 |
| Cost for classified info | 24 |
| Cost for getting money, maybe | 29 |
| Cost for pitchers | 17 |
| Cost for services | 17 |
| Cost in chemistry class | 23 |
| Cost in dollars of the world's first TV ad in 1941 | 54 |
| Cost included in a Zipcar membership | 36 |
| Cost increase | 13 |
| Cost increaser | 14 |
| Cost incurred before driving | 28 |
| Cost indicator | 14 |
| Cost of a 19th-century composer's work? | 43 |
| Cost of a bus ride | 18 |
| Cost of a cab | 13 |
| Cost of a cab ride | 18 |
| Cost of a cab ride to Walden Pond? | 34 |
| Cost of a call, once | 20 |
| Cost of a certain food staple? | 30 |
| Cost of a certain grain? | 24 |
| Cost of a commercial | 20 |
| Cost of a dozen? | 16 |
| Cost of a flight? | 17 |
| Cost of a hack license? | 23 |
| Cost of a hand | 14 |
| Cost of a mail-order bride? | 27 |
| Cost of a minute call, maybe | 28 |
| Cost of a phone call, in Bogart films | 37 |
| Cost of a phone call, once | 26 |
| Cost of a pop-up | 16 |
| Cost of a ride | 14 |
| Cost of a taxi ride | 19 |
| Cost of a thought? | 18 |
| Cost of a ticket | 16 |
| Cost of a ticket, perhaps | 25 |
| Cost of a tie-up | 16 |
| Cost of admission | 17 |
| Cost of an inexpensive item | 27 |
| Cost of an old phone call | 25 |
| Cost of belonging | 17 |
| Cost of borrowing: Abbr. | 24 |
| Cost of business, informally | 28 |
| Cost of cards | 13 |
| Cost of certain breakups | 24 |
| Cost of club membership | 23 |
| Cost of corn for a pirate? | 26 |
| Cost of doing business | 22 |
| Cost of entry | 13 |
| Cost of freedom? | 16 |
| Cost of getting a hand | 22 |
| Cost of getting some quick cash | 31 |
| Cost of getting to the airport, maybe | 37 |
| Cost of going across | 20 |
| Cost of hens, coops, etc.? | 26 |
| Cost of learning | 16 |
| Cost of leaving | 15 |
| Cost of leaving, for some | 25 |
| Cost of leaving? | 16 |
| Cost of living expenses? | 24 |
| Cost of living stats. | 21 |
| Cost of living? | 15 |
| Cost of mail from Manhattan? | 28 |