| Invalidates a warranty, perhaps | 31 |
| Invalidates, as a ticket | 24 |
| Invalids | 8 |
| Invaluable | 10 |
| Invaluable assistant | 20 |
| Invariable reply to the Little Red Hen | 38 |
| Invariably | 10 |
| Invasion | 8 |
| Invasion by a vice squad | 24 |
| Invasion city in 1942 | 21 |
| Invasion craft | 14 |
| Invasion craft (abbr.) | 22 |
| Invasion craft, briefly | 23 |
| Invasion craft: Abbr. | 21 |
| Invasion date | 13 |
| Invasion group of 1964 | 22 |
| Invasion leaders of the '60s | 32 |
| Invasion site of '42 | 24 |
| Invasion time | 13 |
| Invasions | 9 |
| Invasive airline inconvenience | 30 |
| Invasive apps | 13 |
| Invasive Asian vine | 19 |
| Invasive computer programs | 26 |
| Invasive crawling plant | 23 |
| Invasive insect | 15 |
| Invasive Japanese import | 24 |
| Invasive Japanese vine | 22 |
| Invasive medical procedure | 26 |
| Invasive plant | 14 |
| Invasive plant with yellow flowers | 34 |
| Invasive programs | 17 |
| Invasive software, perhaps | 26 |
| Invasive vine | 13 |
| Invective | 9 |
| Invective, e.g. | 15 |
| Invectives | 10 |
| Inveigh | 7 |
| Inveigh (against) | 17 |
| Inveigh against | 15 |
| Inveighed | 9 |
| Inveighed (against) | 19 |
| Inveighed against | 17 |
| Inveigle | 8 |
| Inveigle, in a way | 18 |
| Inveigled | 9 |
| Inveigled, with "in" | 30 |
| Inveiglement | 12 |
| Inveigles | 9 |
| Invent | 6 |
| Invent a new word | 17 |
| Invent an idiom | 15 |
| Invent an idiom? | 16 |
| Invent extender | 15 |
| Invent something | 16 |
| Invent, as a new word | 21 |
| Invent, as a phrase | 19 |
| Invent, as a word | 17 |
| Invent, as a word or phrase | 27 |
| Invented | 8 |
| Invented a whopper | 18 |
| Invented a word | 15 |
| Invented account | 16 |
| Invented facts | 14 |
| Invented something | 18 |
| Invented story | 14 |
| Invented things | 15 |
| Invented things? | 16 |
| Invented word | 13 |
| Invented, as a phrase | 21 |
| Inventer Howe | 13 |
| Inventer of spouge music (stage name) | 37 |
| Inventeur's list | 20 |
| Inventeur's need | 20 |
| Inventeur's notes | 21 |
| Inventeur's starting point | 30 |
| Inventing "wizard" | 28 |
| Inventing family | 16 |
| Inventing immortal | 18 |
| Inventing initials | 18 |
| Inventing middle name | 21 |
| Inventing safeguards | 20 |
| Inventing things | 16 |
| Inventing, as an expression | 27 |
| Invention | 9 |
| Invention a British parliamentarian claimed in 1903 would not lead to a decline in riding horses | 96 |
| Invention beginning | 19 |
| Invention by Otto Lilienthal in which he crashed to his death | 61 |
| Invention by tailor Franz Reichelt in which he fell to his death (as seen on YouTube) | 85 |
| Invention convention | 20 |
| Invention credited to Bartolomeo Cristofori circa 1700 | 54 |
| Invention for lazy equestrians? | 31 |
| Invention genesis | 17 |
| Invention germ | 14 |
| Invention impetus | 17 |
| Invention inception | 19 |
| Invention initiators | 20 |
| Invention inspiration | 21 |
| Invention inspired by burs | 26 |
| Invention modernized by William Bullock that mangled his leg and led to his death | 81 |