| Certain jackets | 15 |
| Certain jacket | 14 |
| Certain jack, in cribbage | 25 |
| Certain Jack's need | 23 |
| Certain jabs | 12 |
| Certain J.D. pursuer | 20 |
| Certain Ivy Leaguers | 20 |
| Certain Ivy Leaguer | 19 |
| Certain Ivy League student | 26 |
| Certain Ivy League athlete | 26 |
| Certain Ivy League alum | 23 |
| Certain items of tangible property | 34 |
| Certain Italian-style cookie | 28 |
| Certain Italian wines | 21 |
| Certain Italian navigator | 25 |
| Certain Italian embroideries | 28 |
| Certain Italian | 15 |
| Certain isles | 13 |
| Certain islands | 15 |
| Certain islander | 16 |
| Certain island leader | 21 |
| Certain irrigated cropland | 26 |
| Certain Iroquoians | 18 |
| Certain Iroquoian language | 26 |
| Certain Iroquoian | 17 |
| Certain iron setting | 20 |
| Certain iron girder | 19 |
| Certain iron | 12 |
| Certain Iraqi | 13 |
| Certain Iraq province | 21 |
| Certain iPods | 13 |
| Certain iPod or skirt | 21 |
| Certain iPod | 12 |
| Certain investor's agreement, for short | 43 |
| Certain investments: abbr. | 26 |
| Certain investments, for short | 30 |
| Certain investments | 19 |
| Certain investment, informally | 30 |
| Certain investment, for short | 29 |
| Certain investment, briefly | 27 |
| Certain investment swindle | 26 |
| Certain investment approach | 27 |
| Certain investment | 18 |
| Certain investigators, for short | 32 |
| Certain investigator | 20 |
| Certain inverse trig function | 29 |
| Certain inverse function | 24 |
| Certain inventions | 18 |
| Certain invalid | 15 |
| Certain intervals in music | 26 |
| Certain intersection | 20 |
| Certain interrogator | 20 |
| Certain interpreter of laws | 27 |
| Certain Internet page | 21 |
| Certain Internet connection: Abbr. | 34 |
| Certain internal organ | 22 |
| Certain interests | 17 |
| Certain intelligence org. | 25 |
| Certain insurers, briefly | 25 |
| Certain insurers | 16 |
| Certain insurance claim | 23 |
| Certain instruments | 19 |
| Certain instrumentalist | 23 |
| Certain instrument inserts | 26 |
| Certain Instant Messenger user | 30 |
| Certain installments | 20 |
| Certain inspectors | 18 |
| Certain insiders? | 17 |
| Certain insects | 15 |
| Certain insect stage | 20 |
| Certain insect eggs | 19 |
| Certain insect catcher | 22 |
| Certain insect | 14 |
| Certain ins. group | 18 |
| Certain inrushers | 17 |
| Certain innkeeper | 17 |
| Certain injustice | 17 |
| Certain initiation ceremony | 27 |
| Certain inhabitants | 19 |
| Certain informers | 17 |
| Certain informatory bids | 24 |
| Certain infection | 17 |
| Certain infant: Colloq. | 23 |
| Certain industrial fuel | 23 |
| Certain Indonesians | 19 |
| Certain Indonesian | 18 |
| Certain Indo-European | 21 |
| Certain Indians | 15 |
| Certain Indian royalty | 22 |
| Certain Indian Muslim | 21 |
| Certain Indian garment | 22 |
| Certain Indian | 14 |
| Certain independent, and an apt title for this puzzle | 53 |
| Certain incomes | 15 |
| Certain income | 14 |
| Certain incentive | 17 |
| Certain inbox filler | 20 |
| Certain impost: Abbr. | 21 |
| Certain import | 14 |
| Certain implants | 16 |