| acerbity(noun, passion, fit, difficulty, temper) |
| sourness(noun, passion, taste, fit, difficulty) |
| acrimony(noun, difficulty, speech, sharpness, severity) |
| bitterness(noun, taste, difficulty, speech, extract) |
| acidity(noun, taste, extract, essence, sharpness) |
| sour(noun, savoriness) |
| acridity(noun, sharpness, sour, acerbity, acidity) |
| asperity(noun, temper, speech, sharpness, severity) |
| harshness(noun, speech, sharpness, severity, bitterness) |
| irritability(noun, passion, fit, difficulty, temper) |
| pungency(noun, taste, extract, essence, sharpness) |
| sharpness(noun, difficulty, severity, bitterness, harshness) |
| crossness(noun, passion, fit, difficulty, temper) |
| irascibility(noun, passion, fit, difficulty, temper) |
| mordancy(noun, speech, sharpness, bitterness, spite) |
| petulance(noun, passion, fit, temper, anger) |
| roughness(noun, difficulty, sharpness, severity, harshness) |
| churlishness(noun, difficulty, speech, sharpness, severity) |
| jaundice |
| keenness |