fireball vs ball

fireball and ball both are nouns.

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

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

Other hypernyms of fireball include globe, orb.

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

fireball: a ball of fire (such as the sun or a ball-shaped discharge of lightning)
ball: an object with a spherical shape

Other hypernyms of fireball include globe, orb.

fireball (noun)	ball (noun)
the luminous center of a nuclear explosion	a pitch that is not in the strike zone
a ball of fire (such as the sun or a ball-shaped discharge of lightning)	a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs
a highly energetic and indefatigable person	round object that is hit or thrown or kicked in games
an especially luminous meteor (sometimes exploding)	a spherical object used as a plaything
	a solid projectile that is shot by a musket
	a more or less rounded anatomical body or mass
	one of the two male reproductive glands that produce spermatozoa and secrete androgens
	a lavish dance requiring formal attire
	a compact mass
	an object with a spherical shape

fireball (verb)	ball (verb)
	form into a ball by winding or rolling
	to live very well