start vs set

start and set both are nouns.

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

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

Other hyponyms of start include initiate, lead up, date back, date from, go back.

start (noun)	set (noun)
the act of starting something	several exercises intended to be done in series
a sudden involuntary movement	the act of putting something in position
a turn to be a starter (in a game at the beginning)	representation consisting of the scenery and other properties used to identify the location of a dramatic production
the advantage gained by beginning early (as in a race)	any electronic equipment that receives or transmits radio or tv signals
a signal to begin (as in a race)	(psychology) being temporarily ready to respond in a particular way
the beginning of anything	a relatively permanent inclination to react in a particular way
a line indicating the location of the start of a race or a game	the descent of a heavenly body below the horizon
the time at which something is supposed to begin	a group of things of the same kind that belong together and are so used
	an unofficial association of people or groups
	(mathematics) an abstract collection of numbers or symbols
	the process of becoming hard or solid by cooling or drying or crystallization
	a unit of play in tennis or squash

start (adjective)	set (adjective)
	set down according to a plan
	being below the horizon
	converted to solid form (as concrete)
	fixed and unmoving
	(usually followed by `to' or `for') on the point of or strongly disposed
	situated in a particular spot or position
	determined or decided upon as by an authority

start (verb)	set (verb)
take the first step or steps in carrying out an action	arrange attractively
set in motion, cause to start	produce fruit
play in the starting lineup	alter or regulate so as to achieve accuracy or conform to a standard
bring into being	put into a certain state; cause to be in a certain state
get off the ground	set to a certain position or cause to operate correctly
begin or set in motion	equip with sails or masts
get going or set in motion	become gelatinous
depart for someplace	make ready or suitable or equip in advance for a particular purpose or for some use, event, etc
bulge outward	get ready for a particular purpose or event
move or jump suddenly, as if in surprise or alarm	fix conclusively or authoritatively
begin work or acting in a certain capacity, office or job	estimate
begin an event that is implied and limited by the nature or inherent function of the direct object	decide upon or fix definitely
have a beginning, in a temporal, spatial, or evaluative sense	establish as the highest level or best performance
have a beginning characterized in some specified way	urge to attack someone
	put into a certain place or abstract location
	fix in a border
	give a fine, sharp edge to a knife or razor
	insert (a nail or screw below the surface, as into a countersink)
	put or set (seeds, seedlings, or plants) into the ground
	put into a position that will restore a normal state
	adapt for performance in a different way
	locate
	set in type
	apply or start
	disappear beyond the horizon