patent office/ʹpayt(ə)nt, ʹpat(ə)nt/ noun

• rabbit fever
• rabbit punch
• rabble
• rabble-rouser
• Rabelaisian
• rabid
• rabies
• RAC
• raccoon
• race
• racecard
• racecourse
• racehorse
• racemate
• raceme
• race meeting
• racemic
• racemization
• racemose
• racemose gland
• racer
• race relations
• race riot
• racetrack
• raceway