| Unit replaced by the siemens | 28 |
| Unit proposed by Leucippus | 26 |
| Unit pricing preposition | 24 |
| Unit or tract follower | 22 |
| Unit on a space vehicle | 23 |
| Unit often preceded by kilo- | 28 |
| Unit of work, in physics | 24 |
| Unit of work or energy | 22 |
| Unit of wire thickness | 22 |
| Unit of weight, for short | 25 |
| Unit of weight in Turkey | 24 |
| Unit of weight in India | 23 |
| Unit of weight for wool | 23 |
| Unit of weight for nails | 24 |
| Unit of volume (not distance) | 29 |
| Unit of value in Ankara | 23 |
| Unit of time, in prosody | 24 |
| Unit of the Green Berets | 24 |
| Unit of syllabic length | 23 |
| Unit of surface measurement | 27 |
| Unit of star measurement | 24 |
| Unit of RAM, for short | 22 |
| Unit of radiation exposure | 26 |
| Unit of quantum information | 27 |
| Unit of quantity: Abbr. | 23 |
| Unit of punishment at sea | 25 |
| Unit of professional conduct | 28 |
| Unit of pressure: Abbr. | 23 |
| Unit of pressure (Abbr.) | 24 |
| Unit of power, for short | 24 |
| Unit of potential difference | 28 |
| Unit of play in squash | 22 |
| Unit of parsley or thyme | 24 |
| Unit of online popularity | 25 |
| Unit of one cycle a second | 26 |
| Unit of oil production: Abbr. | 29 |
| Unit of nautical displacement | 29 |
| Unit of measure: Abbr. | 22 |
| Unit of measure in a garage? | 28 |
| Unit of magnetic intensity | 26 |
| Unit of magnetic inductivity | 28 |
| Unit of magnetic induction | 26 |
| Unit of magnetic flux density | 29 |
| Unit of luminous intensity | 26 |
| Unit of light-bulb intensity | 28 |
| Unit of light intensity | 23 |
| Unit of light bulb intensity | 28 |
| Unit of length for Noah | 23 |
| Unit of land measurement | 24 |
| Unit of indigestion relief | 26 |
| Unit of heat, for short | 23 |
| Unit of fuel use: Abbr. | 23 |
| Unit of fineness for silk | 25 |
| Unit of fineness for gold | 25 |
| Unit of explosive force | 23 |
| Unit of energy, in physics | 26 |
| Unit of electrical resistance | 29 |
| Unit of electrical power | 24 |
| Unit of electrical potential | 28 |
| Unit of electrical force | 24 |
| Unit of electrical current | 26 |
| Unit of electrical charge | 25 |
| Unit of electrical capacity | 27 |
| Unit of electric current | 24 |
| Unit of electric charge | 23 |
| Unit of eight computer bits | 27 |
| Unit of distance (not time) | 27 |
| Unit of data transmission | 25 |
| Unit of current, informally | 27 |
| Unit of currency in Denmark | 27 |
| Unit of cultural information | 28 |
| Unit of corporal punishment | 27 |
| Unit of computer storage | 24 |
| Unit of computer memory | 23 |
| Unit of Chinese currency | 24 |
| Unit of chewing tobacco | 23 |
| Unit of capacity in England | 27 |
| Unit of Cambodian currency | 26 |
| Unit of breath freshening | 25 |
| Unit of bananas: Abbr. | 22 |
| Unit of assorted merchandise | 28 |
| Unit of Asian currency | 22 |
| Unit of angular measurement | 27 |
| Unit of angular measure | 23 |
| Unit of academic credit | 23 |
| Unit of absorbed energy | 23 |
| Unit of a play's act | 24 |
| Unit of a huge explosion | 24 |
| Unit of a flight of stairs | 26 |
| Unit of 100 ergs per gram | 25 |
| Unit of 1,000 kilograms | 23 |
| Unit now known as a siemens | 27 |
| Unit now called a siemens | 25 |
| Unit named for a physicist | 26 |
| Unit measuring loudness | 23 |
| Unit measured by a gauge | 24 |
| Unit indicating loudness | 24 |
| Unit indicated by an omega | 26 |
| Unit indicated by " | 24 |
| Unit in una zona residencial | 28 |