| 100% | IDEOLOGY | 8 | System of ideas used to justify actions |
| 51% | NOTATION | 8 | System of symbols used to represent numbers |
| 39% | GPS | 3 | Navigational system involving satellites used to determine the position of a receiver on Earth |
| 37% | BLADDER | 7 | Oil ___ system, business idea by Kramer on "Seinfeld" that involves using rubber to prevent oil tanker spills |
| 37% | PSI | 3 | Used to measure amount of air pressure |
| 37% | PER | 3 | Used to express rate of each thing |
| 37% | FAIRTRADE | 9 | System of equitable prices paid to producers |
| 36% | LEET | 4 | System of modified spellings used on the internet |
| 36% | EON | 3 | Used to describe a huge amount of time |
| 36% | ACCOUNTABLE | 11 | Required to justify one's actions |
| 36% | THEORY | 6 | Set of ideas to explain something |
| 35% | TROY | 4 | System of weights used for precious metals and gemstones |
| 35% | SKILIFT | 7 | System of seats and tow bars used in mountains |
| 35% | MORSECODE | 9 | System of dots and dashes used for secret messages |
| 35% | MADAM | 5 | Used to address a woman of high social status |
| 35% | CURRENCY | 8 | System of money in use in a specific country |
| 35% | CDN | 3 | System of servers created for faster Internet use: Abbr. |
| 35% | SPACESHIP | 9 | Vehicle used to travel the solar system |
| 35% | DYETEST | 7 | It's used to check septic systems |
| 35% | DYE | 3 | Liquid used to change colors of fabrics |
| 35% | USSR | 4 | Estonia used to be pt. of it |
| 35% | IRON | 4 | Device used to remove wrinkles of cloth |
| 35% | CORKSCREW | 9 | Object used to open bottles of wine |
| 35% | TYPE | 4 | It used to be made of lead |
| 35% | RUBBER | 6 | Eraser used to trim edges of shrubbery |
| 35% | RICHTER | 7 | Scale used to measure magnitude of earthquakes |
| 35% | STAINREMOVER | 12 | Substance used to get rid of splotches |
| 35% | OGHAM | 5 | Ancient Celtic system of writing used in Britain and Ireland, consisting of straight lines drawn or carved perpendicular to one another |
| 35% | NEE | 3 | Used to indicate the maiden name of a married woman |
| 35% | SYNTHESIS | 9 | The combination of ideas to form complete idea |