bite

ginger, punch, spice, tang

raucousness, severeness, severity, shrillness, virulence, vitriol

cattiness, maliciousness

pointedness, thorniness

nosh, snack

appetizer, canapé, hors d'oeuvre

bit, chew, crumb, dab, dribble, driblet, fleck, hint, mote, nubbin, particle, pinch, scrap, scruple, shred, smidgen (also smidgeon), snip, snippet, speck, spot, sprinkling, suspicion, tittle, touch, trace

briskness, crispness

coldness, frigidity, frigidness, frostiness, gelidity, iciness, wintriness

cold, freeze, snap