| 100% | TERTIARY | 8 | Third level; former term for part of the Cenozoic |
| 48% | SST | 3 | Former part of the British Airways fleet, for short |
| 47% | CURD | 4 | Alternate term for the edible white part of a cauliflower |
| 46% | NEOGENE | 7 | Part of the Cenozoic era |
| 44% | SUBHEAD | 7 | Title for part of the whole |
| 43% | PST | 3 | Ore. setting for part of the year |
| 43% | SERBIA | 6 | Part of the former Yugoslavia |
| 43% | KOSOVO | 6 | Part of the former Yugoslavia |
| 43% | STAIR | 5 | Art is performed for part of the flight |
| 43% | WWW | 3 | Part of the Net, for short |
| 43% | EVERY | 5 | Part of the mnemonic for EGBDF |
| 43% | AIT | 3 | Part of the conjugation for "avoir" |
| 43% | CORP | 4 | Part of the BBC, for short |
| 43% | ARROW | 5 | Part of the symbol for Sagittarius |
| 43% | ACL | 3 | Part of the knee, for short |
| 43% | EAR | 3 | Part of the head for listening |
| 42% | AOC | 3 | Congressperson for parts of the Bronx and Queens, familiarly |
| 42% | ELBA | 4 | Part of the former Republic of Pisa |
| 42% | AMP | 3 | Part of the load for 47-Across |
| 42% | EDU | 3 | Part of the URL for 27-Across |
| 42% | JULY | 4 | Part of the calendar named for Caesar |
| 42% | OCCIPITAL | 9 | Part of the brain for visual processing |
| 42% | BONE | 4 | Part of the rib cage, for example |
| 42% | STATEN | 6 | ___ Island, home for part of the Gateway National Recreation Area |
| 42% | SYR | 3 | Part of the former U.A.R.: Abbr. |
| 42% | FASTLANE | 8 | Part of the road for quicker-moving vehicles |
| 42% | VESTIBULE | 9 | Part of the inner ear responsible for balance |
| 42% | MORN | 4 | Part of the day after dawn, for short |
| 42% | COCHLEA | 7 | Part of the inner ear needed for hearing |
| 42% | TOE | 3 | Part of the foot used for testing water |