set vs down

set and down both are nouns.

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

set (noun)	down (noun)
several exercises intended to be done in series	(American football) a complete play to advance the football
the act of putting something in position	soft fine feathers
representation consisting of the scenery and other properties used to identify the location of a dramatic production	fine soft dense hair (as the fine short hair of cattle or deer or the wool of sheep or the undercoat of certain dogs)
any electronic equipment that receives or transmits radio or tv signals	(usually plural) a rolling treeless highland with little soil
(psychology) being temporarily ready to respond in a particular way
a relatively permanent inclination to react in a particular way
the descent of a heavenly body below the horizon
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

set (adjective)	down (adjective)
set down according to a plan	being or moving lower in position or less in some value
being below the horizon	filled with melancholy and despondency
converted to solid form (as concrete)	extending or moving from a higher to a lower place
fixed and unmoving	becoming progressively lower
(usually followed by `to' or `for') on the point of or strongly disposed	not functioning (temporarily or permanently)
situated in a particular spot or position	lower than previously
determined or decided upon as by an authority	shut
	being put out in a game of baseball
	understood perfectly

set (verb)	down (verb)
arrange attractively	improve or perfect by pruning or polishing
produce fruit	bring down or defeat (an opponent)
alter or regulate so as to achieve accuracy or conform to a standard	drink down entirely
put into a certain state; cause to be in a certain state	eat up completely, as with great appetite
set to a certain position or cause to operate correctly	cause to come or go down
equip with sails or masts	shoot at and force to come down
become gelatinous
make ready or suitable or equip in advance for a particular purpose or for some use, event, etc
get ready for a particular purpose or event
fix conclusively or authoritatively
estimate
decide upon or fix definitely
establish as the highest level or best performance
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

set (adverb)	down (adverb)
	spatially or metaphorically from a higher to a lower level or position
	away from a more central or a more northerly place
	paid in cash at time of purchase
	in an inactive or inoperative state
	to a lower intensity
	from an earlier time