| Circulation measure | 19 |
| Circulation path | 16 |
| Circulation problem | 19 |
| Circulation stoppers | 20 |
| Circulation that doesn't sink with gravity | 46 |
| Circulation unit | 16 |
| Circulation, essentially | 24 |
| Circulation, in a way | 21 |
| Circulation, in product names | 29 |
| Circulatory blockage | 20 |
| Circulatory conduit | 19 |
| Circulatory opening in a building | 33 |
| Circulatory problems | 20 |
| Circulatory system component | 28 |
| Circulatory system flow | 23 |
| Circulatory system part | 23 |
| Circulatory system trunk | 24 |
| Circulatory system? | 19 |
| Circulatory thoroughfare | 24 |
| Circulatory tube | 16 |
| Circulatory vessel | 18 |
| Circum. ÷ pi | 15 |
| Circumambulate | 14 |
| Circumcision diversion, or a type of golf competition interrupted? | 66 |
| Circumcision, for some | 22 |
| Circumference | 13 |
| Circumference divided by diameter | 33 |
| Circumference formula | 21 |
| Circumference of the track at Churchill Downs | 45 |
| Circumference part | 18 |
| Circumference parts | 19 |
| Circumference section | 21 |
| Circumference segment | 21 |
| Circumference-to-diameter ratios | 32 |
| Circumferences | 14 |
| Circumflex look-alike | 21 |
| Circumflex lookalikes | 21 |
| Circumflex, for example | 23 |
| Circumlocutory | 14 |
| Circumnavigating, perhaps | 25 |
| Circumnavigator on the Golden Hind | 34 |
| Circumnavigator Sir Francis | 27 |
| Circumnavigator's milieu | 28 |
| Circumnavigator's stop, maybe | 33 |
| Circumnavigator's way | 25 |
| Circumscribe | 12 |
| Circumscribed | 13 |
| Circumscribes | 13 |
| Circumscribing | 14 |
| Circumspect | 11 |
| Circumspection | 14 |
| Circumstance | 12 |
| Circumstance of living | 22 |
| Circumstance partner | 20 |
| Circumstance's accompaniment? | 33 |
| Circumstance's leader | 25 |
| Circumstance's partner | 26 |
| Circumstance, in Caen | 21 |
| Circumstances | 13 |
| Circumvent | 10 |
| Circumvented | 12 |
| Circumventer | 12 |
| Circumvents | 11 |
| Circus | 6 |
| Circus acrobats | 15 |
| Circus act | 10 |
| Circus act above a net | 22 |
| Circus act that makes people look up | 36 |
| Circus activity | 15 |
| Circus animal | 13 |
| Circus animal enclosure | 23 |
| Circus animal handler | 21 |
| Circus animal with a tamer | 26 |
| Circus apparatus | 16 |
| Circus area | 11 |
| Circus areas | 12 |
| Circus attendee, at times | 25 |
| Circus attraction | 17 |
| Circus attractions | 18 |
| Circus barker | 13 |
| Circus barker's pitch | 25 |
| Circus barker's talk | 24 |
| Circus barker? | 14 |
| Circus barkers? | 15 |
| Circus beast after tippling? | 28 |
| Circus billing | 14 |
| Circus bit | 10 |
| Circus boosters | 15 |
| Circus boss | 11 |
| Circus brawls | 13 |
| Circus brothers | 15 |
| Circus catchall | 15 |
| Circus catcher | 14 |
| Circus catchers | 15 |
| Circus chairman? | 16 |
| Circus chairperson? | 19 |
| Circus Circus and New York-New York | 35 |
| Circus Circus apparatus | 23 |
| Circus clown -- Kelly | 21 |
| Circus clown car, often | 23 |