acrimony

acidity, acidness, acridity, acridness, asperity, bile, bitterness, cattiness, corrosiveness, mordancy, tartness, virulence, virulency, vitriol

gruffness, harshness, hostility, relentlessness, severity, sternness, vehemence; coldness, crossness, discourteousness, iciness, impoliteness, incivility, nastiness, rudeness, sourness, surliness, ungraciousness; anger, animosity, gall, jaundice, malevolence, malice, rancor, scorn, spite, spleen, venom, vindictiveness; jealousy, pique, resentment, sour grapes

civility, cordiality, courtesy, diplomacy, geniality, graciousness, kindness, politeness, tactfulness; compassion, softness, sweetness, sympathy, tenderness, warmth; oiliness, smoothness, suaveness, suavity, unctuousness, urbanity

acerbity, acidity, acidness, acridity, acridness, acrimoniousness, acrimony, acuteness, asperity, bite, bitterness, harshness, keenness, poignance, poignancy, pungency, roughness, sharpness, tartness

ginger, punch, spice, tang; raucousness, severeness, severity, shrillness, virulence, vitriol; cattiness, maliciousness; pointedness, thorniness

gentleness, kindliness