| 100% | GALAXY | 6 | Samsung's first smartphone to use Android |
| 42% | GINSU | 5 | First brand to use the phrase “But wait, there’s more!” in its infomercials |
| 40% | PANAM | 5 | First airline to use 747s for commercial flights |
| 39% | FINNS | 5 | First to use saunas |
| 39% | GALILEO | 7 | First person to use a telescope to study space |
| 38% | GUTENBERG | 9 | First to use a printing press |
| 38% | MAINE | 5 | First state to use ranked-choice voting in a presidential election |
| 36% | POST | 4 | First past the ___, British horse racing term that's commonly used to refer to a voting system |
| 36% | ATSEA | 5 | Clueless ... or where the answers to this puzzle's starred clues were all first used |
| 36% | ONA | 3 | Dolphins use s___r to detect fish |
| 35% | SIGN | 4 | Use a closed fist to represent the letter S, say |
| 35% | LEDGE | 5 | S___hammers were used to hammer in spikes for railroads |
| 35% | LODESTONE | 9 | It was used to make the first compass |
| 34% | NOHARM | 6 | First half of a phrase used to forgive a benign mistake |
| 34% | MANGANESE | 9 | Bright blue first used to dye cement for pools |
| 34% | NYLON | 5 | Synthetic material first used commercially to make toothbrush bristles |
| 34% | BRONZEAGE | 9 | First prehistoric era to use metal tools |
| 34% | COIN | 4 | Be the first to use |
| 34% | AYE | 3 | Word a first mate uses to agree with the captain |
| 33% | TELESCOPE | 9 | First device used to observe outer space that was built by Galileo Galilei |
| 33% | MINI | 4 | Samsung Galaxy S4 ___ (Android smartphone) |
| 33% | EGYPTIANS | 9 | First ancient people known to use hieroglyphics |
| 33% | GOTLOST | 7 | Needed to use G.P.S., maybe |
| 32% | WASHINGTON | 10 | One of the first two states to permit marijuana for recreational use |
| 32% | COLORADO | 8 | One of the first two states to permit marijuana for recreational use |
| 32% | SHAKESPEARE | 11 | Whom the first use of the nine long adjectives is credited to |
| 32% | RADIO | 5 | It was used to play music for the first time in 1906 |
| 32% | INSULIN | 7 | Medicine that was first used to treat diabetes on January 11th, 1922 |
| 32% | AID | 3 | First ___ kit (used to treat wounds) |
| 32% | SHOULDER | 8 | Use someone's to cry on |