| 100% | STINGRAY | 8 | Marine creature with one or more venomous spines at the base of the tail |
| 37% | SACRUM | 6 | Bone at the base of the spine |
| 37% | ALIEN | 5 | Sci-fi film with a creature inspired by Francis Bacon's "Three Studies for Figures at the Base of a Crucifixion" |
| 36% | SACRUM | 6 | Triangular bone at the base of the spine |
| 36% | ISOTOPE | 7 | One of two or more atoms with the same atomic number that contain different numbers of neutrons |
| 36% | SACRA | 5 | Bones at the bases of spines |
| 35% | SCORPIONFISH | 12 | One of a family of bottom-dwelling marine fish of the Indo-Pacific noted for their venomous spines |
| 35% | PIANOPEDAL | 10 | One of three at the base of a Steinway |
| 35% | FIREPLACE | 9 | The grate or hearth at the base of a chimney |
| 35% | MISTY | 5 | Like many pools at the base of waterfalls |
| 35% | EQUATION | 8 | Statement of equality with one or more variables |
| 34% | SAD | 3 | One-word sentence at the end of many Trump tweets |
| 33% | SEE | 3 | One-word question at the end of many stereotypical 1920s-gangster threats |
| 33% | FLAGPOLE | 8 | One of many at the U.N. headquarters |
| 32% | HANGFIVE | 8 | Surf style with one foot at the front of the board |
| 32% | FUSION | 6 | The process of joining two or more things into one |
| 32% | ICESKATE | 8 | One of many seen at the NCAA's Frozen Four |
| 32% | ZIP | 3 | With 14-Across, five or nine digits at the end of a snail mail address |
| 31% | OTRES | 5 | One of the beaches that attracts many tourists at Sihanoukville, Cambodia |
| 31% | AUSTRALIA | 9 | Country with 21 of the most venomous snake species |
| 31% | ION | 3 | Electrically charged atom formed by the loss or gain of one or more electrons |
| 31% | VAMPIRE | 7 | Creature who might disagree with the saying at the ends of 17-, 22-, 48- and 56-Across |
| 31% | BELOW | 5 | At the base of |
| 31% | TWEET | 5 | One of the President's dozen or more per day 280 character blurbs |
| 31% | PAR | 3 | "LeBron James is at ___ with most of the legends of basketball" |
| 31% | LEASHES | 7 | Bunch held at intersections on outings with pets ... or in the intersections of the shaded words |
| 30% | SEASNAKE | 8 | Venomous marine creature of the Indian and Pacific Oceans such as the yellow-bellied — |
| 30% | FLAGPOLE | 8 | One of many in the plaza at United Nations headquarters |
| 30% | TEAMPLAYERS | 11 | Ones unconcerned with individual achievements ... or what both words in the answers to the starred clues are examples of |
| 30% | PITUITARY | 9 | Master gland at the base of the brain |