| 100% | ASTROTURF | 9 | Artificial playing surface developed in the 1960s that was previously named Chemgrass |
| 37% | NYLON | 5 | Substance originally developed by DuPont that in 1935 was given the name "polymer 6-6" |
| 33% | YUGOLD | 6 | Potato cultivar that was developed in Ontario, despite its name |
| 33% | CASSIO | 6 | Lieutenant of Othello in the William Shakespeare play of that name |
| 33% | VOLUMNIA | 8 | Mother of Coriolanus in the William Shakespeare play of that name |
| 33% | GERTRUDE | 8 | Mother of Hamlet in the William Shakespeare play of that name |
| 33% | SEARS | 5 | Appliance giant that was once the name of a tower in Chicago |
| 33% | HEATHER | 7 | Plant that was a top-five girl's name in the 1970s |
| 33% | HORATIO | 7 | University friend of Hamlet in the William Shakespeare play of that name |
| 33% | MACDUFF | 7 | Character who kills Macbeth in the William Shakespeare play of that name |
| 33% | DESDEMONA | 9 | Wife of Othello in the play of that name by William Shakespeare |
| 32% | OCT | 3 | Mo. that was the eighth in the Roman republican calendar (hence its name) |
| 32% | GONERIL | 7 | Eldest daughter of King Lear in the William Shakespeare play of that name |
| 32% | REGAN | 5 | Middle daughter of King Lear in the William Shakespeare play of that name |
| 32% | CORDELIA | 8 | Youngest daughter of King Lear in the William Shakespeare play of that name |
| 32% | RBI | 3 | In baseball, the plays that allow a run to be scored |
| 32% | OAK | 3 | Tree that is one of the ten most common street names in the US |
| 32% | ISAAC | 5 | The Asimov that Japan's humanoid robot was named after in 2000 |
| 32% | THEPILL | 7 | Contraceptive drug developed in the 1960s |
| 32% | SEATTLEKRAKEN | 13 | Pacific Northwest expansion team that will begin playing in the NHL in 2021: 2 wds. |
| 31% | LSD | 3 | Drug that was "dropped" in the 1960s: Abbr. |
| 31% | FOSBURY | 7 | ___ Flop, jumping style in the sport of high jump that was named after gold medalist Dick |
| 31% | CLAYCOURT | 9 | Surface that the French Open is played on |
| 31% | FANNYPACK | 9 | Bag that may be worn over the shoulder, in spite of its name |
| 30% | NATIVESON | 9 | Best-selling 1940 novel that was adapted into a film, with its author playing the protagonist, in 1951 |
| 30% | COAL | 4 | ___ car, red train card in the board game "Ticket to Ride" that is named after a fossil fuel |
| 30% | ACID | 4 | Drug that was often "dropped" in the 1960s |
| 30% | RIVERDALE | 9 | Teen drama series following Archie Andrews and his friends that is named after the town it is set in |
| 30% | SLUR | 4 | In music, a curved line indicating that the notes in its limits be played smoothly, as one phrase |
| 29% | SRIRACHA | 8 | ___ sauce, spicy red condiment that originated in, and is named after the Thai city Si Racha |