channel vs send out

channel is a noun but send out is not a noun.

Word	Noun	Adjective	Verb	Adverb
channel	Yes	No	Yes	No
send out	No	No	Yes	No

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

channel: send from one person or place to another
send out: to cause or order to be taken, directed, or transmitted to another place

Other hyponyms of channel include bring, convey, fetch, get, project, propagate, translate, release, turn, send.

channel (noun)	send out (noun)
a way of selling a company's product either directly or via distributors
a passage for water (or other fluids) to flow through
a television station and its programs
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
a path over which electrical signals can pass
(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)

channel (verb)	send out (verb)
send from one person or place to another	to cause or order to be taken, directed, or transmitted to another place
direct the flow of
transmit or serve as the medium for transmission