| Certain yellow finch | 20 |
| Certain Yemen native | 20 |
| Certain Yemeni | 14 |
| Certain Yemeni residents | 24 |
| Certain Yemeni, for one | 23 |
| Certain yokefellows | 19 |
| Certain young lover, facetiously | 32 |
| Certain young servant | 21 |
| Certain youth orgs. | 19 |
| Certain YouTube guitar god parodies | 35 |
| Certain YouTube posting | 23 |
| Certain zero hours | 18 |
| Certain Zinfandel | 17 |
| Certain zinger | 14 |
| Certain zodiac beast | 20 |
| Certain zone: Abbr. | 19 |
| Certain Zoroastrian | 19 |
| Certain Zoroastrian sect member | 31 |
| Certain ___ (antiperspirant brand) | 34 |
| Certain ___ (antiperspirant) | 28 |
| Certain, for sure | 17 |
| Certain, for sure: Abbr. | 24 |
| Certain, in France | 18 |
| Certain-golfer | 14 |
| Certainly | 9 |
| Certainly able to cut | 21 |
| Certainly didn't emote | 26 |
| Certainly didn't roar | 25 |
| Certainly may | 13 |
| Certainly no Einstein | 21 |
| Certainly no libertines | 23 |
| Certainly no wallflower | 23 |
| Certainly not a comer | 21 |
| Certainly not a gentleman | 25 |
| Certainly not a purebred | 24 |
| Certainly not a purebred pooch | 30 |
| Certainly not a world power | 27 |
| Certainly not boring | 20 |
| Certainly not brawny | 20 |
| Certainly not certain | 21 |
| Certainly not clean | 19 |
| Certainly not colorful | 22 |
| Certainly not current | 21 |
| Certainly not Dennis the Menace | 31 |
| Certainly not disguised | 23 |
| Certainly not dressed for a job interview | 41 |
| Certainly not friends | 21 |
| Certainly not gentlemen | 23 |
| Certainly not good | 18 |
| Certainly not locked | 20 |
| Certainly not nice | 18 |
| Certainly not pro | 17 |
| Certainly not the life of the party | 35 |
| Certainly not the silence of the lambs | 38 |
| Certainly not verbose | 21 |
| Certainly not worldly | 21 |
| Certainly will, after "is" | 36 |
| Certainly won't repeat | 26 |
| Certainly! | 10 |
| Certainly, in Hebrew | 20 |
| Certainly, old style | 20 |
| Certainly, teenage style | 24 |
| Certainly, to Cato | 18 |
| Certainly, to Snoop Dogg | 24 |
| Certainty | 9 |
| Certian payment | 15 |
| Certifiable | 11 |
| Certifiable, so to speak | 24 |
| Certificate | 11 |
| Certificate earned by both Paris Hilton and Jessica Simpson | 59 |
| Certificate earned by Peter Jennings | 36 |
| Certificate features | 20 |
| Certificate given to one who will be road-tested | 48 |
| Certificate of deposit offerer | 30 |
| Certificate of indebtedness | 27 |
| Certificate of ownership | 24 |
| Certificate on a wall, maybe | 28 |
| Certificate to build | 20 |
| Certificate, in Spain | 21 |
| Certificate: Abbr. | 18 |
| Certificates | 12 |
| Certificates, in Durango | 24 |
| Certification | 13 |
| Certification for aliens: Abbr. | 31 |
| Certification requirement from the American Turntablist's Association? | 74 |
| Certifications on some college apps | 35 |
| Certified | 9 |
| Certified as fine | 17 |
| Certified inspiration? | 22 |
| Certified letters? | 18 |
| Certified medical assistant | 27 |
| Certified to drive or practice | 30 |
| Certified under oath | 20 |
| Certifier | 9 |
| Certifiers | 10 |
| Certifiers: Abbr. | 17 |
| Certifies | 9 |
| Certifies (to) | 14 |
| Certifies by oath | 17 |
| Certifies or demonstrates | 25 |