ball-shaped vs global

ball-shaped and global both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ball-shaped	No	Yes	No	No
global	No	Yes	No	No

As adjectives, ball-shaped and global are synonyms defined as:

Other synonyms of ball-shaped include globose, globular, orbicular, spheric, spherical.

ball-shaped (adjective)	global (adjective)
having the shape of a sphere or ball	involving the entire earth; not limited or provincial in scope
	having the shape of a sphere or ball