set out vs start

set out is not a noun while start is a noun.

Word	Noun	Adjective	Verb	Adverb
set out	No	No	Yes	No
start	Yes	No	Yes	No

As verbs, set out and start are synonyms defined as:

set out and start: take the first step or steps in carrying out an action

Other synonyms of set out include begin, commence, get, get down, set about, start out.

As verbs, set out and start are synonyms defined as:

Other synonyms of set out include depart, part, set forth, set off, start out, take off.

set out (noun)	start (noun)
	the act of starting something
	a sudden involuntary movement
	a turn to be a starter (in a game at the beginning)
	the advantage gained by beginning early (as in a race)
	a signal to begin (as in a race)
	the beginning of anything
	a line indicating the location of the start of a race or a game
	the time at which something is supposed to begin

set out (verb)	start (verb)
take the first step or steps in carrying out an action	take the first step or steps in carrying out an action
lay out orderly or logically in a line or as if in a line	set in motion, cause to start
depart for someplace	play in the starting lineup
	bring into being
	get off the ground
	begin or set in motion
	get going or set in motion
	depart for someplace
	bulge outward
	move or jump suddenly, as if in surprise or alarm
	begin work or acting in a certain capacity, office or job
	begin an event that is implied and limited by the nature or inherent function of the direct object
	have a beginning, in a temporal, spatial, or evaluative sense
	have a beginning characterized in some specified way