| It can't be played on a trumpet, e.g. | 41 |
| It can't be returned | 24 |
| It can't be right | 21 |
| It can't be switched on | 27 |
| It can't be taken away, in "The Greatest Love of All" | 67 |
| It can't be topped | 22 |
| It can't be understood until it's broken | 48 |
| It can't buy love, in song | 30 |
| It can't fail | 17 |
| It can't go down | 20 |
| It can't help being negative | 32 |
| It can't hurt to do this | 28 |
| It can't light just anywhere | 32 |
| It can't miss | 17 |
| It can't pick up many distant objects | 41 |
| It can't rise by itself | 27 |
| It can't stand alone | 24 |
| It can't take wing | 22 |
| It can't travel in a vacuum | 31 |
| It canÂ’t be returned | 24 |
| It cancels a dele | 17 |
| It cancels a takeout order | 26 |
| It cannot be returned | 21 |
| It cannot result in the invocation of the infield fly rule | 58 |
| It carbonizes | 13 |
| It carried "Monk" | 27 |
| It carried Galileo into space | 29 |
| It carried Heracles and Orpheus | 31 |
| It carries a bit | 16 |
| It carries a charge | 19 |
| It carries a lot of weight | 26 |
| It carries a shell | 18 |
| It carries a small charge | 25 |
| It carries blood from the left ventricle | 40 |
| It carries cars or blood | 24 |
| It carries collars and cages | 28 |
| It carries out many orders | 26 |
| It carries pesticides | 21 |
| It carries stars | 16 |
| It carries the words ''Rey de Espana'' | 54 |
| It carries the words "Rey de España" | 49 |
| It carries torpedos | 19 |
| It carries troops from ship to shore | 36 |
| It castles with a king | 22 |
| It catches baby food | 20 |
| It catches some sticky fingers | 30 |
| It catches some waves | 21 |
| It catches some waves: Abbr. | 28 |
| It catches the swift | 20 |
| It causes a breakdown | 21 |
| It causes a reaction | 20 |
| It causes adrenaline to be released | 35 |
| It causes blowups | 17 |
| It causes hallucinations | 24 |
| It causes lights to go out | 26 |
| It causes many people to scratch | 32 |
| It causes many to start | 23 |
| It causes one to hesitate | 25 |
| It causes one to pause | 22 |
| It causes one's head to swell | 33 |
| It causes pain when pulled | 26 |
| It causes quite a reaction | 26 |
| It causes redness | 17 |
| It causes rust | 14 |
| It causes Sicilians to pray to St. Agatha | 41 |
| It causes sparks | 16 |
| It causes the sniffles | 22 |
| It ceased to be a European capital in 1991 | 42 |
| It ceased to be in Dec. 1991 | 28 |
| It challenges the imagination | 29 |
| It changes annually | 19 |
| It changes color | 16 |
| It changes genes | 16 |
| It changes hands at an altar | 28 |
| It changes in Nov. | 18 |
| It changes its taste every 168 hours? | 37 |
| It changes locks | 16 |
| It changes on your birthday | 27 |
| It changes Paul into a woman | 28 |
| It changes when you go to a new site | 36 |
| It chases people in it | 22 |
| It checks the water | 19 |
| It checks your speed | 20 |
| It chewed the cud | 17 |
| It circled Hades nine times | 27 |
| It circled Hades several times | 30 |
| It circles Hades nine times | 27 |
| It circles the globe | 20 |
| It circles Uranus | 17 |
| It circulates in class | 22 |
| It claimed to have "more stars than there are in the heavens" | 71 |
| It clashes with stripes | 23 |
| It cleans our soles? | 20 |
| It cleans up big-time grime | 27 |
| It clears consciences | 21 |
| It clears the air | 17 |
| It clears the boards | 20 |
| It clears the rear | 18 |
| It clears the slate | 19 |
| It clears the way | 17 |