| Unit of advice | 14 |
| Unit of ammo for a werewolf hunter | 34 |
| Unit of angular measure | 23 |
| Unit of angular measurement | 27 |
| Unit of applause | 16 |
| Unit of area | 12 |
| Unit of Asian currency | 22 |
| Unit of asparagus | 17 |
| Unit of assorted merchandise | 28 |
| Unit of bananas: Abbr. | 22 |
| Unit of bitters | 15 |
| Unit of breath freshening | 25 |
| Unit of bricks | 14 |
| Unit of Cambodian currency | 26 |
| Unit of capacitance | 19 |
| Unit of capacity | 16 |
| Unit of capacity (2150.42 cu. in.) | 34 |
| Unit of capacity in England | 27 |
| Unit of cards | 13 |
| Unit of cell phone usage: Abbr. | 31 |
| Unit of change | 14 |
| Unit of chewing tobacco | 23 |
| Unit of Chinese currency | 24 |
| Unit of college work | 20 |
| Unit of computer memory | 23 |
| Unit of computer storage | 24 |
| Unit of conductance | 19 |
| Unit of contraband | 18 |
| Unit of corn | 12 |
| Unit of corporal punishment | 27 |
| Unit of cotton | 14 |
| Unit of cultural information | 28 |
| Unit of currency in Denmark | 27 |
| Unit of currency in the Harry Potter books | 42 |
| Unit of currency replaced by the kwanza in Angola | 49 |
| Unit of current | 15 |
| Unit of current's strength | 30 |
| Unit of current, informally | 27 |
| Unit of data transmission | 25 |
| Unit of derring-do | 18 |
| Unit of discourse | 17 |
| Unit of distance | 16 |
| Unit of distance (not time) | 27 |
| Unit of doubt | 13 |
| Unit of eight computer bits | 27 |
| Unit of elec. | 13 |
| Unit of elec. current | 21 |
| Unit of electric charge | 23 |
| Unit of electric charge equivalent to 3,600 coulombs | 52 |
| Unit of electric current | 24 |
| Unit of electric current, informally | 36 |
| Unit of electrical capacity | 27 |
| Unit of electrical charge | 25 |
| Unit of electrical conductance | 30 |
| Unit of electrical current | 26 |
| Unit of electrical force | 24 |
| Unit of electrical potential | 28 |
| Unit of electrical power | 24 |
| Unit of electrical resistance | 29 |
| Unit of electricity | 19 |
| Unit of energy | 14 |
| Unit of energy (not potential) | 30 |
| Unit of energy (not power or time) | 34 |
| Unit of energy, in physics | 26 |
| Unit of energy: Abbr. | 21 |
| Unit of energy? | 15 |
| Unit of exercise | 16 |
| Unit of explosive force | 23 |
| Unit of farmland | 16 |
| Unit of fat | 11 |
| Unit of fineness for gold | 25 |
| Unit of fineness for nylon yarn | 31 |
| Unit of fineness for silk | 25 |
| Unit of finger food | 19 |
| Unit of flow | 12 |
| Unit of fluidity | 16 |
| Unit of flux | 12 |
| Unit of flux density, or the physicist for whom it is named | 59 |
| Unit of food energy | 19 |
| Unit of force | 13 |
| Unit of force? | 14 |
| Unit of freq. | 13 |
| Unit of frequency | 17 |
| Unit of fright | 14 |
| Unit of fuel use: Abbr. | 23 |
| Unit of fun? | 12 |
| Unit of funny money | 19 |
| Unit of gem weight | 18 |
| Unit of gene activity | 21 |
| Unit of geologic time | 21 |
| Unit of gossip | 14 |
| Unit of grass | 13 |
| Unit of gunpowder | 17 |
| Unit of hair | 12 |
| Unit of heat | 12 |
| Unit of heat energy | 19 |
| Unit of heat, for short | 23 |
| Unit of heat: Abbr. | 19 |
| Unit of heat? | 13 |
| Unit of heredity | 16 |