| Units named for the first Nobel Prize winner in Physics | 55 |
| Units named after a Scottish engineer | 37 |
| Units measured by a multimeter | 30 |
| Units marked on a wooden stick: Abbr. | 37 |
| Units listed on light bulb packages | 35 |
| Units in the yr. | 16 |
| Units in the cgs system | 23 |
| Units in scoring | 16 |
| Units in real estate ads | 24 |
| Units in physics class | 22 |
| Units in Physics 101 | 20 |
| Units in physics | 16 |
| Units in nutrition | 18 |
| Units in nuclear physics | 24 |
| Units in an ER | 14 |
| Units in a sum | 14 |
| Units in a six-pack? | 20 |
| Units in a list | 15 |
| Units in a high rise (Abbr.) | 28 |
| Units in a coll. curriculum | 27 |
| Units in a 2011 debt crisis | 27 |
| Units for timing a track event? | 31 |
| Units for the copier | 20 |
| Units for Seurat | 16 |
| Units for Seles | 15 |
| Units for Sampras | 17 |
| Units for measuring wire | 24 |
| Units for measuring gold | 24 |
| Units for measuring computer system speed | 41 |
| Units for Lendl | 15 |
| Units for lease, for short | 26 |
| Units for F in the physics formula F = MA | 41 |
| Units for exercise machines | 27 |
| Units for electricians | 22 |
| Units for brilliants | 20 |
| Units for Boris Becker | 22 |
| Units for Borg | 14 |
| Units for a King | 16 |
| Units for a footballer (abbr.) | 30 |
| Units first theorized by the Greeks | 35 |
| Units first posited more than 2500 years ago | 44 |
| Units equal to 10,000 gauss | 27 |
| Units equal to 0.3527 ounces | 28 |
| Units equal to 0.1 microjoule | 29 |
| Units | 5 |
| Unitized | 8 |
| Unitive acts | 12 |
| Uniting force | 13 |
| Uniting | 7 |
| Unites in a rite | 16 |
| Unites firmly | 13 |
| Unites again | 12 |
| Unites after a break | 20 |
| Unites (with) | 13 |
| Unites | 6 |
| Uniter during a conflict, maybe | 31 |
| Unitedly | 8 |
| UnitedHealthcare rival | 22 |
| UnitedHealth rival | 18 |
| UnitedHealth Group rival | 24 |
| United: prefix | 14 |
| United: Fr. | 11 |
| United: Comb. form | 18 |
| United, in Toledo | 17 |
| United, in Bonn | 15 |
| United, in a way | 16 |
| United, for one | 15 |
| United, e.g. | 12 |
| United, as nations | 18 |
| United, as corporations or labor unions | 39 |
| United, as companies | 20 |
| United's rival | 18 |
| United's main hub | 21 |
| United's are friendly, in ads | 33 |
| United's are friendly | 25 |
| United ___ Emirates | 19 |
| United ___ Day (October 24) | 27 |
| United ___ College Fund | 23 |
| United ___ | 10 |
| United __ Emirates (Mideast nation) | 35 |
| United __ | 9 |
| United workers | 14 |
| United with a blowtorch | 23 |
| United with | 11 |
| United whole | 12 |
| United We Stand America founder | 31 |
| United way? | 11 |
| United watcher | 14 |
| United voting group | 19 |
| United Steelworkers leader I. W. ___ | 36 |
| United States, e.g. | 19 |
| United States, our # ____ trader | 34 |
| United States' second-smallest state capital | 48 |
| United States Postal Service symbol | 35 |
| United States Postal Service cartoon character | 46 |
| United States Open site | 23 |
| United States of ___ | 20 |
| United States of America, e.g. | 30 |
| United States observance of April 14 | 36 |
| United States military decoration | 33 |