| 100% | TAX | 3 | Extra amount added to the price of something |
| 51% | SCALAGE | 7 | Amount deducted from the price of goods to compensate for loss |
| 50% | TIP | 3 | Extra amount that's often 15% to 20% of the bill |
| 49% | COST | 4 | The price of something |
| 48% | FEES | 4 | Extra amounts added to ATM transactions |
| 48% | MARKUP | 6 | Add to the price for profit |
| 47% | HAGGLE | 6 | Argue over the price of something |
| 44% | INDUCTTAPE | 10 | Add to the Video Clip Hall of Fame? |
| 44% | SUSPICIONPUT | 12 | Add to the list of possible perps, literally |
| 43% | TAX | 3 | It's often added to the retail price |
| 42% | INTEREST | 8 | The state of wanting to learn about something |
| 40% | ATOMIC | 6 | Relating to the smallest amount of an element |
| 40% | INTERPRET | 9 | To understand the meaning of something |
| 40% | APPENDIX | 8 | A section added to the end of a book |
| 40% | VIGNETTE | 8 | Illustrative mark added to the end of a chapter |
| 40% | SUSSED | 6 | Worked out, got to the bottom of something |
| 40% | TIP | 3 | Extra amount that's often 15% to 20% of a restaurant bill |
| 39% | INTERPRET | 9 | To examine and explain the meaning of something |
| 39% | WORKLOAD | 8 | The amount of labor a person has to do |
| 39% | OBSTRUCT | 8 | To get in the way of something |
| 38% | RETAIL | 6 | The sale of goods to the public in small amounts |
| 38% | WORKLOAD | 8 | The amount of tasks to be completed for one's job |
| 37% | MEASURING | 9 | Using spoons to get the right amount of flour |
| 37% | ADDS | 4 | Increases the amount of something |
| 37% | INBED | 5 | Words sometimes added to the end of a fortune cookie fortune for humorous effect |
| 37% | MELANIC | 7 | Relating to the occurrence of an increased amount of dark skin pigmentation |
| 37% | GOD | 3 | Under ___, phrase added to the Pledge of Allegiance in 1954 |
| 37% | SAMPLE | 6 | Small amount of something that exemplifies the whole |
| 37% | QUANTITY | 8 | The amount or number of something |
| 37% | SEABED | 6 | Something divers might like to see at the end of an extra long work day |