globe vs fireball

globe and fireball both are nouns.

Word	Noun	Adjective	Verb	Adverb
globe	Yes	No	No	No
fireball	Yes	No	No	No

As nouns, fireball is a hyponym of globe; that is, fireball is a word with a more specific, narrower meaning than globe:

Other hyponyms of globe include crystal ball, camphor ball, mothball, time-ball, globule, spherule, pellet, bolus.

globe (noun)	fireball (noun)
a sphere on which a map (especially of the earth) is represented	the luminous center of a nuclear explosion
the 3rd planet from the sun; the planet we live on	a ball of fire (such as the sun or a ball-shaped discharge of lightning)
an object with a spherical shape	a highly energetic and indefatigable person
	an especially luminous meteor (sometimes exploding)