globular vs ball-shaped

globular and ball-shaped both are adjectives.

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

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

Other synonyms of globular include global, globose, orbicular, spheric, spherical.

globular (adjective)	ball-shaped (adjective)
having the shape of a sphere or ball	having the shape of a sphere or ball