| 100% | PHD | 3 | Degree that typically requires a thesis: Abbr. |
| 96% | PHD | 3 | Academic degree that typically requires a thesis: Abbr. |
| 80% | PHD | 3 | Degree that typically requires a written dissertation: Abbr. |
| 61% | PHD | 3 | Academic degree that generally requires a dissertation: Abbr. |
| 60% | PHD | 3 | Advanced degree that may require a dissertation defense: Abbr. |
| 51% | ATM | 3 | It typically requires a PIN: Abbr. |
| 49% | PHD | 3 | Academic degree that follows a masters: Abbr. |
| 47% | PHD | 3 | Degree that often follows a master's: Abbr. |
| 47% | PHD | 3 | Degree that may follow a master's: Abbr. |
| 47% | PHD | 3 | Highest academic degree that a university can award: Abbr. |
| 45% | ATM | 3 | Device that requires a PIN: Abbr. |
| 45% | PHDS | 4 | Advanced degrees requiring a dissertation: Abbr. |
| 44% | SUV | 3 | Vehicle that's typically a gas guzzler: Abbr. |
| 44% | ATM | 3 | Dollar dispenser that requires a PIN: Abbr. |
| 44% | ATM | 3 | Cash dispenser that requires a PIN: Abbr. |
| 44% | ATM | 3 | Banking contraption that requires a PIN: Abbr. |
| 44% | ATM | 3 | Public machine that requires a PIN: Abbr. |
| 44% | ATMS | 4 | Money dispensers that require a PIN: Abbr. |
| 44% | ATMS | 4 | Dollar dispensers that require a PIN: Abbr. |
| 44% | DUI | 3 | Traffic charge that might require a breathalyzer test: Abbr. |
| 40% | PHD | 3 | Degree that someone might earn after an M.S. or M.A.: Abbr. |
| 39% | MRI | 3 | Hospital scan that requires lying in a tube: Abbr. |
| 39% | PHDS | 4 | Degrees that require dissertation defenses |
| 39% | OTC | 3 | Like medications that don't require a prescription: Abbr. |
| 39% | STOL | 4 | Abbr. for a plane that doesn't require much runway (but needs plenty of space if it goes backwards!) |
| 37% | PHD | 3 | Degree that Mayim Bialik earned in neuroscience: Abbr. |
| 37% | PHDS | 4 | Degrees that often come after MAs: Abbr. |
| 37% | MBAS | 4 | Degrees that corporate executives often have: Abbr. |
| 37% | ATM | 3 | Device requiring a PIN: Abbr. |
| 37% | MPG | 3 | Stat that a new car buyer typically wants to know: Abbr. |