swiftness, abruptness, rapidity, unexpectedness, vehemence, ferocity, equanimity, alacrity, timing, unpredictability, quickness, shock, candor, fluidity, directness, synchronicity, viciousness, massiveness, shiftiness, awe, ferociousness, quietude, severity, brazenness, regularity, stillness, finality, elusiveness, immediacy, momentousness, nimbleness, deliberateness, bloodiness, simultaneity, mysteriousness, inevitability, unusualness, blitheness, magnitude, mischance, acuteness, boldness, athleticism, explosiveness, slowness, mildness, inexorability, unawares, immensity, sadness, aftermath, ordinariness, calmness, nonchalance, tumult, surprise, inexplicability, imminence, jadedness, callousness, frankness, sangfroid, lucidity, turnabout, perplexity, strangeness, peacefulness, subtlety, speechlessness, quietness, bewilderment, unnaturalness, fragility, gruesomeness, intricacy, implacability, capriciousness, jarring, speed, angularity, incomprehension, straightforwardness, decisiveness, deftness, grand mal, headiness, placidity, velocity, loquacity, simplicity, plaintiveness, volubility, smoothness, randomness, fearfulness, fearlessness, sureness, bizarreness, freakishness, certitude, senselessness, horribleness, vividness, celerity, distinctness, clearness, clarity, prescience, promptness, aptness, lightness, promptitude, tenacity

haste, hastiness, hurriedness, hurry

precipitance, precipitancy, precipitateness