acrimony (n.)
- acerbity
- acid
- acidity
- acidness
- acidulousness
- acridity
- animosity
- animus
- antipathy
- asperity
- astringency
- bile
- bite
- bitterness
- choler
- edge
- feud
- fierceness
- gall
- grip
- harshness
- heartburning
- incisiveness
- keenness
- malevolence
- malice
- malignity
- mordacity
- poignancy
- point
- rancor
- rigor
- roughness
- severity
- sharpness
- soreness
- sourness
- spite
- spleen
- sting
- stridency
- stringency
- tartness
- teeth
- trenchancy
- vehemence
- vendetta
- venom
- violence
- virulence
- vitriol
