salient vs conspicuous

salient is a noun but conspicuous is not a noun.

Word	Noun	Adjective	Verb	Adverb
salient	Yes	Yes	No	No
conspicuous	No	Yes	No	No

salient (noun)	conspicuous (noun)
(military) the part of the line of battle that projects closest to the enemy

salient (adjective)	conspicuous (adjective)
(of angles) pointing outward at an angle of less than 180 degrees	obvious to the eye or mind
having a quality that thrusts itself into attention	without any attempt at concealment; completely obvious
represented as leaping (rampant but leaning forward)