time-ball vs globe

time-ball and globe both are nouns.

Word	Noun	Adjective	Verb	Adverb
time-ball	Yes	No	No	No
globe	Yes	No	No	No

As nouns, globe is a hypernym of time-ball; that is, globe is a word with a broader meaning than time-ball:

time-ball: a ball that slides down a staff to show a fixed time; especially at an observatory
globe: an object with a spherical shape

Other hypernyms of time-ball include ball, orb.

time-ball (noun)	globe (noun)
a ball that slides down a staff to show a fixed time; especially at an observatory	a sphere on which a map (especially of the earth) is represented
	the 3rd planet from the sun; the planet we live on
	an object with a spherical shape