Collins English Dictionary: English Words Starting With “U”
- United Church of Canada
- United Church of Christ
- United Empire Loyalist
- United Kingdom
- United Kingdom of Great Britain and Northern Ireland
- United Kingdom Overseas Territory
- United Kingdom Unionists
- United Mexican States
- United Nations
- United Nations Organization
- United Party
- United Provinces
- United Reformed Church
- United Service Organization
- United States
- United States of America
- unitedly
- unitedness
- uniter
- unities
- unition
- unitisation
- unitise
- unitiser
- unitive
- unitively
- unitization
- unitize
- unitizer
- unitrust
- units
- unity
- unity of interest
- unity ticket
- Univ.
- univalence
- univalency
- univalent
- univalve
- univalvular
- univariant
- univariate
- universal
- universal bank
- universal beam
- universal class
- universal coordinated time
- universal coupling
- universal donor
- universal gas constant
- universal grammar