| 100% | TITRATE | 7 | Determine the concentration of, as an acid or base |
| 46% | TITRATES | 8 | Determines the concentration of a dissolved substance |
| 44% | KICKSTARTS | 10 | Reinvigorates, as an economy ... or a hint to the beginnings of the answers to starred clues |
| 43% | LADE | 4 | Stow, as cargo ... or an anagram of the last word of 17-, 35- or 52-Across |
| 43% | CARBONDATES | 11 | Determines the age of, as archaeological finds |
| 42% | TEST | 4 | Acid ___ (trial to determine the true worth of something or someone) |
| 42% | MEASURE | 7 | Determine the size or amount of |
| 42% | TRY | 3 | Determine the innocence or guilt of |
| 42% | MEASURE | 7 | Determine the size or quantity of |
| 42% | TRY | 3 | Determine the guilt or innocence of |
| 41% | NASAL | 5 | As an alternative, left of the nose |
| 40% | ATTENTION | 9 | Concentration of the mind on a single object or thought |
| 39% | TUNED | 5 | Adjusted the pitch of, as an instrument |
| 39% | PARE | 4 | Remove the skin of, as an apple |
| 39% | EDIT | 4 | Change the wording of, as an article |
| 39% | REFRAME | 7 | Change the focus of, as an argument |
| 39% | CORED | 5 | Removed the center of, as an apple |
| 39% | TUNED | 5 | Refined the pitch of, as an instrument |
| 39% | EFFECT | 6 | The result or impact of an action |
| 39% | AVIATION | 8 | The operating or flying of an aircraft |
| 39% | EFFECT | 6 | The consequence or result of an action |
| 39% | OFFSPRING | 9 | The child or children of an animal |
| 39% | EXECUTION | 9 | The performance of an instruction or program |
| 38% | FRESHENS | 8 | Improves the smell of, as an unused room |
| 38% | DYES | 4 | Changes the color of, as an Easter egg |
| 38% | LIBRETTO | 8 | The words of an opera or musical play |
| 38% | RANFOR | 6 | Sought, as an office or the hills |
| 38% | TIMBRE | 6 | The resonance or quality of tone of an instrument |
| 38% | TRIO | 4 | An act of three, such as the Bee Gees |
| 38% | BAM | 3 | The sound of an impact, as in comic books |