球 (Kanji for sphere)

Onyomi

KYUU

The king demands that you show your CUTE spheres at the imperial court tomorrow.

たま	(narrow meaning) ball used in sports ★★★☆☆

地球(ちきゅう)

earth ★★★★☆
地 (area) + 球 (sphere) = 地球 (earth)

the world, the physical planet Earth.

野球(やきゅう)

baseball ★★★☆☆
野 (field) + 球 (sphere) = 野球 (baseball)

soccer??? No, wait, badminton.

眼球(がんきゅう)

eyeball ☆☆☆☆☆
眼 (eyeball) + 球 (sphere) = 眼球 (eyeball)

eyeball (doctor's word- most people just say 目玉　（めだま）)

	Meaning	Hint	Radical
救	rescue	DIRECTOR
球	sphere	KING	王

You gotta rescue the DIRECTOR from the KING'S balls.