| Invasive Japanese vine | 22 |
| Invasive Japanese import | 24 |
| Invasive insect | 15 |
| Invasive crawling plant | 23 |
| Invasive computer programs | 26 |
| Invasive Asian vine | 19 |
| Invasive apps | 13 |
| Invasive airline inconvenience | 30 |
| Invasions | 9 |
| Invasion time | 13 |
| Invasion site of '42 | 24 |
| Invasion leaders of the '60s | 32 |
| Invasion group of 1964 | 22 |
| Invasion date | 13 |
| Invasion craft: Abbr. | 21 |
| Invasion craft, briefly | 23 |
| Invasion craft (abbr.) | 22 |
| Invasion craft | 14 |
| Invasion city in 1942 | 21 |
| Invasion by a vice squad | 24 |
| Invasion | 8 |
| Invariably | 10 |
| Invariable reply to the Little Red Hen | 38 |
| Invaluable assistant | 20 |
| Invaluable | 10 |
| Invalids | 8 |
| Invalidates, as a ticket | 24 |
| Invalidates a warranty, perhaps | 31 |
| Invalidates | 11 |
| Invalidated, as a contract | 26 |
| Invalidated | 11 |
| Invalidate, as a marriage | 25 |
| Invalidate, as a law | 20 |
| Invalidate, as a check | 22 |
| Invalidate legally | 18 |
| Invalidate in appeals court | 27 |
| Invalidate a marriage | 21 |
| Invalidate a law | 16 |
| Invalidate | 10 |
| Invalid's food | 18 |
| Invalid befriended by Heidi | 27 |
| Invalid | 7 |
| Invading, say | 13 |
| Invading Turks in the Middle Ages | 33 |
| Invading Turks | 14 |
| Invaders of Spain | 17 |
| Invaders of Kuwait, 1990 | 24 |
| Invaders of Ancient Rome | 24 |
| Invaders in an H. G. Wells story | 32 |
| Invaders in "The Martian Chronicles" | 46 |
| Invaders conquered by Caesar | 28 |
| Invader with an Angle | 21 |
| Invader of the Roman Empire | 27 |
| Invader of Spain: 8th century | 29 |
| Invader of Spain | 16 |
| Invader of Rome in 390 B.C. | 27 |
| Invader of Rome | 15 |
| Invader of Gaul | 15 |
| Invader of Europe in 1241 | 25 |
| Invader of Europe | 17 |
| Invader of England | 18 |
| Invader of 218 B.C. | 19 |
| Invader of 13th-century Russia | 30 |
| Invader of 1066 | 15 |
| Invaded; ravaged | 16 |
| Invaded, with "on" | 28 |
| Invaded a bastion | 17 |
| Invaded | 7 |
| Invade in great numbers | 23 |
| Invade | 6 |
| Inutile | 7 |
| Inures | 6 |
| Inured (to) | 11 |
| Inured | 6 |
| Inure | 5 |
| Inundations | 11 |
| Inundation | 10 |
| Inundating | 10 |
| Inundates | 9 |
| Inundated with | 14 |
| Inundated | 9 |
| Inundate with work | 18 |
| Inundate Liotta's bucket? | 29 |
| Inundate | 8 |
| Inuncting | 9 |
| Inunct | 6 |
| Inuits, e.g. | 12 |
| Inuits | 6 |
| Inuit: Abbr. | 12 |
| Inuit, somewhat offensively | 27 |
| Inuit, perhaps | 14 |
| Inuit, once | 11 |
| Inuit, maybe | 12 |
| Inuit's transport | 21 |
| Inuit's ride | 16 |
| Inuit's item | 16 |
| Inuit's dwelling | 20 |
| Inuit's abode | 17 |
| Inuit's neighbour | 22 |
| Inuit word for "house" | 32 |