acridity (n.)
- acerbity
- acidity
- acidness
- acidulousness
- acridness
- acrimony
- acuity
- acuteness
- asperity
- astringence
- astringency
- bite
- bitterness
- edge
- fierceness
- gall
- grip
- harshness
- incisiveness
- keenness
- mordacity
- piquancy
- poignancy
- point
- pointedness
- prickliness
- pungency
- rigor
- roughness
- severity
- sharpness
- sourness
- sting
- stridency
- stringency
- tartness
- teeth
- thorniness
- trenchancy
- vehemence
- violence
- virulence