| Insane or angry | 15 |
| Insane person: Fr. | 18 |
| Insane talker | 13 |
| Insane, in slang | 16 |
| Insane, in the Highlands | 24 |
| Insane, slangily | 16 |
| Insanely | 8 |
| Insanely cold | 13 |
| Insanely killer show | 20 |
| Insanity | 8 |
| Insanity and others | 19 |
| Insanity, at times | 18 |
| Insanity, e.g. | 14 |
| Insanity, especially in March | 29 |
| Insanity, perhaps | 17 |
| Insatiable | 10 |
| Insatiable desire | 17 |
| Insatiable eaters, in slang | 27 |
| Insatiable greed | 16 |
| Insatiable gulfs | 16 |
| Inscribe | 8 |
| Inscribe for good | 17 |
| Inscribe in a way | 17 |
| Inscribe in acid | 16 |
| Inscribe indelibly | 18 |
| Inscribe on a trophy | 20 |
| Inscribe on a trophy, e.g. | 26 |
| Inscribe on parchment | 21 |
| Inscribe permanently | 20 |
| Inscribe with acid | 18 |
| Inscribe, as in heraldry | 24 |
| Inscribed | 9 |
| Inscribed 56 | 12 |
| Inscribed column | 16 |
| Inscribed commemorative stones | 30 |
| Inscribed marker | 16 |
| Inscribed monument | 18 |
| Inscribed monument (Var.) | 25 |
| Inscribed pillar | 16 |
| Inscribed pillar (Var.) | 23 |
| Inscribed pillars | 17 |
| Inscribed slab | 14 |
| Inscribed slabs | 15 |
| Inscribed stone | 15 |
| Inscribed stone column | 22 |
| Inscribed stone markers | 23 |
| Inscribed stone pillar | 22 |
| Inscribed stone pillars | 23 |
| Inscribed stone slab | 20 |
| Inscribed stone, maybe | 22 |
| Inscribed stones | 16 |
| Inscribed tablet | 16 |
| Inscribed with mystic marks | 27 |
| Inscribes | 9 |
| Inscribes, e.g. | 15 |
| Inscription at Delphi | 21 |
| Inscription at the end of a book | 32 |
| Inscription in memoriam | 23 |
| Inscription of Caesar's time | 32 |
| Inscription on a blue box | 25 |
| Inscription on a candy heart | 28 |
| Inscription on a class ring | 27 |
| Inscription on a letter box | 27 |
| Inscription on a Wonderland cake | 32 |
| Inscription on costumer Edith's gift for country singer Keith? | 66 |
| Inscription on some ingots | 26 |
| Inscription on stained glass, maybe | 35 |
| Inscription surface | 19 |
| Inscrutable | 11 |
| Inscrutable one | 15 |
| Inscrutable ones | 16 |
| Inscrutable people | 18 |
| Inscrutable person | 18 |
| Inscrutable sort | 16 |
| Inscrutable types | 17 |
| Inseam measure | 14 |
| Inseam measurement | 18 |
| Inseam unit | 11 |
| Insect | 6 |
| Insect a doodlebug loves | 24 |
| Insect abode | 12 |
| Insect after metamorphosis | 26 |
| Insect always caught? | 21 |
| Insect antenna | 14 |
| Insect appendage | 16 |
| Insect appendages | 17 |
| Insect at the age of consent | 28 |
| Insect bite consequence, perhaps | 32 |
| Insect body part | 16 |
| Insect called a greenfly in Britain | 35 |
| Insect catcher | 14 |
| Insect catchers | 15 |
| Insect collector's subject (abbr.) | 38 |
| Insect consumer | 15 |
| Insect contest? | 15 |
| Insect control brand | 20 |
| Insect crop | 11 |
| Insect drawn to flames | 22 |
| Insect drawn to light | 21 |
| Insect eaten by ladybugs | 24 |