| 100% | NERDALERT | 9 | Teasing words when someone starts listing the digits of pi, say |
| 37% | AREACODE | 8 | Digits at the start of someone's digits |
| 36% | BOO | 3 | Word you might say to scare the hiccups out of someone |
| 35% | NERDS | 5 | Ones memorizing the digits of pi, perhaps |
| 34% | NERDEDOUT | 9 | Excitedly recited the digits of pi, for example |
| 33% | MAKEAWISH | 9 | Words said over a lit birthday cake, and upon the start of 17-, 26-, or 42-Across |
| 33% | ONE | 3 | First digit of pi after the decimal |
| 33% | TGIF | 4 | Expression of words said in relief by every office-goer when the weekend rolls around: Abbr. |
| 32% | ONE | 3 | First digit of pi after the decimal point |
| 32% | WELCOMETOMY | 11 | With 59-Across, what one might say when entering the starts of 16-, 24-, and 38-Across? |
| 32% | JUSTBROWSING | 12 | "Only window shopping," and what one might say when using the starts of 20-, 31-, and 46-Across |
| 31% | SOUNDSLIKEAPLAN | 15 | "Let's do it!" ... or comment on the last words of 16-, 26- and 47-Across, when said together out loud |
| 30% | AREACODES | 9 | Digits at the start of digits |
| 30% | HELLO | 5 | Word said when answering the phone |
| 30% | NUMBERS | 7 | 5, 3/4, pi, square root of -1 ... or a word that follows the starts of 17-, 27-, 43- and 58-Across |
| 30% | SHONDARHIMES | 12 | Creator of "Grey's Anatomy" and "Scandal" … or, when said aloud, a hint to the starts of 20-, 30 and 45-Across |
| 30% | TRAILHEAD | 9 | The start of a path when hiking |
| 30% | LETSBEGIN | 9 | Words at the start of a lesson |
| 30% | THUS | 4 | Word at the start of a conclusion |
| 30% | ENTER | 5 | Word at the start of a maze |
| 29% | PRO | 3 | The opposite of a con, when making lists |
| 29% | AGO | 3 | Word of expression to say 'in the past' |
| 29% | ENGARDE | 7 | Said at the start of a fencing match |
| 29% | PRESTO | 6 | Word said with a wave of the hand |
| 29% | MAAM | 4 | Word said with a tip of the hat |
| 29% | ODD | 3 | Like the 314th digit of pi |
| 29% | DDAY | 4 | When the Battle of Normandy started |
| 29% | AMEN | 4 | The last word when saying grace |
| 29% | NEAR | 4 | Word said by Grover when close to the camera |
| 29% | DICTATION | 9 | The action of saying words aloud to be typed |