球 （キュウ） sphere, globe, ball, bulb, ball, sphere, counter for pitches

球威 （キュウイ） (pitcher's) stuff

配球 （ハイキュウ） combination of (varied) pitches, serves, etc.

制球 （セイキュウ） (pitcher's) control

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

玉突き （たまつき） billiards, pool, serial collisions (of cars)

電気の球 （でんきのたま） electric (light) bulb