Raymond (name)

(loanword) radar

Reynolds (name); Renault (French car company); Reno, Nevada

Rex (name)

Clark T. Randt Jr. (1945-), US ambassador to Beijing 2001-2009

Grey; Gray

to lay mines

torpedo

land mine (CL:顆|颗[ke1]); (fig.) sore point; weak spot

Freyr (god in Norse mythology)