British English to American English: Letter U
UK U.K.
Undecillion BE n+66 zeros Undecillion AE n+36 zeros
Undercarriage Landing gear
Undercut fillet/tenderloin of beef
Underground Subway
Undergraduate (1st year ~) Freshman
Undergraduate (2nd year ~) Sophomore
Undergraduate (3rd year ~) Junior
Undergraduate (4th year ~) Senior
underground belowground
Undertaker Funeral director/mortician
Undervest
Undressed timber Timber
Ungradeable Ungradable
Unharmonious Inharmonious
Unionise Unionize
Unofficial strike Wildcat strike
Unparallelled Unparalleled
Unrivalled Unrivaled
Unrivalling Unrivaling
Upper circle First balcony
Upwards Upward
Urbanisation Urbanization
Urbanise Urbanize
US U.S./U.S.A.
Useable Usable
Useability Usability
Utilise Utilize
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