stampede vs speed

stampede and speed both are nouns.

Word	Noun	Adjective	Verb	Adverb
stampede	Yes	No	Yes	No
speed	Yes	No	Yes	No

stampede (noun)	speed (noun)
a headlong rush of people on a common impulse	changing location rapidly
a wild headlong rush of frightened animals (horses or cattle)	a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression
	a rate (usually rapid) at which something happens
	the ratio of the focal length to the diameter of a (camera) lens system
	distance travelled per unit time

stampede (verb)	speed (verb)
run away in a stampede	move faster
cause to run in panic	cause to move faster
act, usually en masse, hurriedly or on an impulse	move very fast
cause a group or mass of people to act on an impulse or hurriedly and impulsively	travel at an excessive or illegal velocity
	move hurridly