blade vs runner

blade and runner both are nouns.

Word	Noun	Adjective	Verb	Adverb
blade	Yes	No	No	No
runner	Yes	No	No	No

As nouns, runner is a hypernym of blade; that is, runner is a word with a broader meaning than blade:

blade (noun)	runner (noun)
the flat part of a tool or weapon that (usually) has a cutting edge	fish of western Atlantic: Cape Cod to Brazil
a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard	device consisting of the parts on which something can slide along
flat surface that rotates and pushes against air or water	a long narrow carpet
the part of the skate that slides on the ice	a trained athlete who competes in foot races
a broad flat body part (as of the shoulder or tongue)	someone who imports or exports without paying duties
a cut of beef from the shoulder blade	a baseball player on the team at bat who is on base (or attempting to reach a base)
something long and thin resembling a blade of grass	someone who travels on foot by running
a dashing young man	a person who is employed to deliver messages or documents
especially a leaf of grass or the broad portion of a leaf as distinct from the petiole	(football) the player who is carrying (and trying to advance) the ball on an offensive play
	a horizontal branch from the base of plant that produces new plants from buds at its tips