玉 （ギョク） precious stone (esp. jade), egg (sometimes esp. as a sushi topping), stock or security being traded, product being bought or sold, position (in finance, the amount of a security either owned or owed by an investor or dealer), geisha, time charge for a geisha, king (of the junior player)

玉音 （ギョクオン） the Emperor's voice, beautiful voice, beautiful sound

珠玉 （シュギョク） jewel, gem, gem (of a story, essay, etc.), accomplished work, beautiful piece

翠玉 （スイギョク） emerald, jade

玉 （たま） ball, sphere, globe, orb, bead (of sweat, dew, etc.), drop, droplet, ball (in sports), pile (of noodles, etc.), bullet, bulb (i.e. a light bulb), lens (of glasses, etc.), bead (of an abacus), ball (i.e. a testicle), gem, jewel (esp. spherical; sometimes used figuratively), pearl, female entertainer (e.g. a geisha), person (when commenting on their nature), character, item, funds or person used as part of a plot, egg, okonomiyaki, coin, precious, beautiful, excellent

卵 （たまご） eggs, egg, spawn, roe, (hen's) egg, (an expert) in the making, beginning, origin, infancy

埼玉 （さいたま） Saitama (city, prefecture)

勾玉 （まがたま） magatama, comma-shaped bead from prehistoric Japan, usually made of jade