guide vs channel

guide and channel both are nouns.

Word	Noun	Adjective	Verb	Adverb
guide	Yes	No	Yes	No
channel	Yes	No	Yes	No

As verbs, channel is a hyponym of guide; that is, channel is a word with a more specific, narrower meaning than guide:

Other hyponyms of guide include dock, sheer, pull over, helm, crab, navigate, stand out, starboard, conn, navigate, pilot, corner, tree, park.

guide (noun)	channel (noun)
a structure or marking that serves to direct the motion or positioning of something	a way of selling a company's product either directly or via distributors
a model or standard for making comparisons	a passage for water (or other fluids) to flow through
something that offers basic information or instruction	a television station and its programs
someone employed to conduct others	a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
someone who can find paths through unexplored territory	a path over which electrical signals can pass
someone who shows the way by leading or advising	(often plural) a means of communication or access
	a deep and relatively narrow body of water (as in a river or a harbor or a strait linking two larger bodies) that allows the best passage for vessels
	a long narrow furrow cut either by a natural process (such as erosion) or by a tool (as e.g. a groove in a phonograph record)

guide (verb)	channel (verb)
pass over, across, or through	send from one person or place to another
take somebody somewhere	direct the flow of
direct the course; determine the direction of travelling	transmit or serve as the medium for transmission
use as a guide
be a guiding or motivating force or drive