1.  poignancy(n = noun.state) poignance - a state of deeply felt distress or sorrow; "a moment of extraordinary poignancy"
is a kind of sadness, sorrow, sorrowfulness
Derived form adjective poignant₂

2.  poignancy(n = noun.attribute) pathos - a quality that arouses emotions (especially pity or sorrow); "the film captured all the pathos of their situation"
is a kind of quality
Derived form adjective poignant₁

   The quality or state of being poignant; as, the poignancy of satire; the poignancy of grief. Swift. [1913 Webster]

N  energy, physical energy, force, power, keenness, intensity, vigor, strength, elasticity, go, high pressure, fire, rush, acrimony, acritude, causiticity, virulence, poignancy, harshness, severity, edge, point, pungency, cantharides, seasoning, activity, agitation, effervescence, ferment, fermentation, ebullition, splutter, perturbation, stir, bustle, voluntary energy, quicksilver, resolution, exertion, excitation, strong, energetic, forcible, active, intense, deep-dyed, severe, keen, vivid, sharp, acute, incisive, trenchant, brisk, rousing, irritation, poignant, virulent, caustic, corrosive, mordant, harsh, stringent, double-edged, double-shotted, double- distilled, drastic, escharotic, racy, potent, radioactive, strongly, fortiter in re, with telling effect, the steam is up, vires acquirit eundo, the race by vigor not by vaunts is won.