Umpire, undercover agent, undertaker, underwriter, union organizer, U.P.S. clerk and urban planner are occupations. Additional occupations include urologist, U.S. Marshal, used car salesman, usher and utility meter reader.
urologist
usher
A letter that starts with U is an urgent letter.
Optometrist
doorman
undertaker underwriter
Japayuki
letter that starts with u is unicorne
lawyer
zookeeper zoologist
rADIOLOGIST
dentist