set about vs launch

set about is not a noun while launch is a noun.

Word	Noun	Adjective	Verb	Adverb
set about	No	No	Yes	No
launch	Yes	No	Yes	No

As verbs, launch is a hyponym of set about; that is, launch is a word with a more specific, narrower meaning than set about:

set about (noun)	launch (noun)
	the act of propelling with force
	a motorboat with an open deck or a half deck

set about (verb)	launch (verb)
take the first step or steps in carrying out an action	begin with vigor
enter upon an activity or enterprise	propel with force
begin to deal with	launch for the first time; launch on a maiden voyage
	get going; give impetus to
	smoothen the surface of
	set up or found