trek vs travel

trek and travel both are nouns.

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

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

Other hypernyms of trek include journey.

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

Other hypernyms of trek include journey.

trek (noun)	travel (noun)
any long and difficult trip	the act of going from one place to another
a journey by ox wagon (especially an organized migration by a group of settlers)	self-propelled movement
	a movement through space that changes the location of something

trek (verb)	travel (verb)
make a long and difficult journey	change location; move, travel, or proceed, also metaphorically
journey on foot, especially in the mountains	make a trip for pleasure
	travel upon or across
	undergo transportation as in a vehicle
	undertake a journey or trip
	travel from place to place, as for the purpose of finding work, preaching, or acting as a judge