The German term "Ur" matches the English term "aurochs"

other german words that include "ur" : english :
Abenteurer adventurer
Agentur agency
Amateur amateur, fancier
Architektur architecture
Armatur armature, brace, cramp iron
Assekuranz insurance
Asturien asturias
Aureole aureole, halo
Aurora aurora
Azur sky blue
Bure afrikaans, afrikaner, boer
Burg castle
Burgund burgundy
Burgunder burgundian
Bursche boy, servant, dwarf
Burundi burundi
Chauffeur conductor, driver, chauffeur
Chirurg surgeon
Chirurgie surgery
Durchfall diarrhoea
Durchmesser diameter
Durst thirst
Ehrfurcht respect
Engelwurz angelica
Entwurf design, diagram, plan, plane, project, scheme, outline, sketch
Europa europa, europe
Europäer european, white man
Europäische Union european union
Exkursion excursion, outing, sightseeing trip
Faktura account, bill, invoice
Figur figure, diagram, image, picture, representation
Flur corridor, passage
Frankatur postage
Frankfurt frankfort
Frankfurt am Main frankfort upon the main
Freimaurer freemason, mason
Friseur barber, hairdresser
Frisur hair do
Furche furrow, wrinkle
Furcht fear
Futur future
Futurum future
Geburt birth, child birth, delivery, parturition
Geburtstag birthday
Geburtstag haben celebrating one’s birthday
Gemurmel murmur
Glasur glaze
Gouverneur tutor
Gurgel throat
Gurke cucumber
Gurt belt, girdle
Hamburg hamburg
Hanswurst buffoon, jester
Hausflur corridor, passage
Ingenieur engineer
Insurgent mutineer, rebel
Jongleur juggler
Journal daily paper, journal, newspaper
Journalist journalist
Jurist jurist, lawyer
Klaviatur keyboard
Kondukteur guard
Konkurrenz Prüfung competition, contest
Kontur contour, outline
Kultur culture
Kurier courier
Kurs direction, class, course
Kursus class, course
Kurve bend, curve
Kurzschrift shorthand, stenography
Lasur sky blue
Leuchtturm lighthouse
Literatur literature
Liturgie liturgy
Maulwurf mole
Maurer mason
Murmeln murmur
Murren murmur
Natur nature, character
Naturscheinung phenomenon
Naturtrieb instinct
Nießwurz hellebore
Puritaner puritan
Purpur purple
Redakteur editor
Regensburg ratisbon
Regenwurm earthworm
Regisseur stage manager
Restaurant restaurant
Restauration restaurant
Richtschnur norm, standard
Schmerz verursachen ache, be painful, hurt
Schnur shoe lace, cord, rope, string
Schnurrbart moustache
Schurke cheat, crook, rogue, scoundrel
Souffleur prompter
Statur stature
Straßburg strasbourg
Struktur structure
Sturm storm
Sturmhaube helmet
Sturzbad shower
Sturzwelle billow
Säure acid
Taburett stool
Tambour drummer
Tamburin tambourine, timbrel
Tastatur keyboard
Tellur tellurium
Temperatur temperature
Tinktur dye, tint
Tour file, line, rank, row, turn, journey, trip, voyage
Tourist tourist
Turm castle, tower
Turnier tournament
Turteltaube turtle dove
Ur fore , greatgrand
Urahn great grandfather, forefather
Urbild original, prototype
Urenkel greatgrandson
Urgeschichte prehistory
Urgroßvater great grandfather
Urheber author
Urin urine
Urkunde diploma, document, paper
Urlaub furlough, leave, pass
Ursache cause, reason
Urschrift original
Ursprung lineage, origin
Ursprungs aboriginal, original
Urteil judgment
Urwald primeval forest
Vorurteil prejudice
Vorwurf reproach
Wurfscheibe dial, disc, record
Wurm worm
Wurst sausage
Wurzel root
Yamswurzel yam
Zensur censor
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