salient

As nouns the difference between recency and salient

is that recency is the property of being recent, newness while salient is (military) an outwardly projecting part of a fortification, trench system, or line of defense.

As an adjective salient is

worthy of note; pertinent or relevant.

As adjectives the difference between crucial and salient

is that crucial is being essential or decisive for determining the outcome or future of something; extremely important while salient is worthy of note; pertinent or relevant.

As a noun salient is

an outwardly projecting part of a fortification, trench system, or line of defense.

As adjectives the difference between salient and nonsalient

is that salient is worthy of note; pertinent or relevant while nonsalient is not salient.

As a noun salient

is (military) an outwardly projecting part of a fortification, trench system, or line of defense.