speed vs travel

speed and travel both are nouns.

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

As verbs, travel is a hypernym of speed; that is, travel is a word with a broader meaning than speed:

Other hypernyms of speed include go, locomote, move.

As verbs, travel is a hypernym of speed; that is, travel is a word with a broader meaning than speed:

Other hypernyms of speed include go, locomote, move.

As verbs, travel is a hypernym of speed; that is, travel is a word with a broader meaning than speed:

Other hypernyms of speed include go, locomote, move.

speed (noun)	travel (noun)
changing location rapidly	the act of going from one place to another
a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression	self-propelled movement
a rate (usually rapid) at which something happens	a movement through space that changes the location of something
the ratio of the focal length to the diameter of a (camera) lens system
distance travelled per unit time

speed (verb)	travel (verb)
move faster	change location; move, travel, or proceed, also metaphorically
cause to move faster	make a trip for pleasure
move very fast	travel upon or across
travel at an excessive or illegal velocity	undergo transportation as in a vehicle
move hurridly	undertake a journey or trip
	travel from place to place, as for the purpose of finding work, preaching, or acting as a judge