| uber | exuberance, exuberant |
| ubique | ubiquitous |
| ulcus | ulcer, ulcerate |
| ultra | outrage, outragrous, outrageously, ultimate, ultimately,ultimatum, ultraviolet |
| umbra | somber(bre), somberly, umer, umbrage, umbragreous, umbrella |
| umro | s.humeo |
| uncia | imch, ounce |
| unda | abound, abundance, abundant, unumdate, unumdation, redound, redundancy, redundant, surround, surroundings, undulate, undulation |
| ung(u)o | anoint, ointment, unction, unctuous, unguent |
| unus | disunite, nonumnion, onion, reunion, reunite,unanimity, unanimous, uanimously, unicorn, unification, uniform, uniformity, uniformly, union, unionist, unique, unison, unit, unite, unity, universal, universality, universally, universe, university |
| upupa | dupe |
| urbs | interurban, suburb, suburban, urban, urbanity |
| urgeo | urge, urgency, urgent, urgently |
| urina | urinal, urine |
| urna | urn |
| uro | combustible, combustion, imcombustible |
| utor | abuse, abusive, disuse, misuse, perusal, peruse, unused, unusual, unusually, usable, usage, use, useful, usefully, usefulness, useless, uselessly, uselessness, user, usual, usually ,usurer, usurious, usurp, usurpation, usurper, usury, utensil, utilitarian utility, iutilization, utilize |
