acid (n.)
- acerbity
- acid
- acidity
- acidulousness
- acrimony
- agent
- alkali
- alkalinity
- animosity
- anion
- antacid
- antidepressant
- asperity
- aspirin
- astringent
- ataractic
- atom
- base
- basic
- bile
- bitter
- bitterness
- brand
- burning
- cation
- caustic
- cauterant
- cautery
- chemical
- chokecherry
- choler
- compound
- copolymer
- corroding
- corrosive
- cutting
- dimer
- driving
- dry
- electrocautery
- element
- extinguisher
- fireplug
- foam
- gage
- gall
- ganja
- grass
- hallucinogen
- hash
- hashish
- hay
- heartburning
- hemp
- imperative
- ion
- isomer
- joint
- kava
- keen
- lemon
- lime
- macromolecule
- marijuana
- mescal
- mescaline
- molecule
- monomer
- mordant
- niacin
- oxyacid
- peyote
- phenol
- phytochemical
- pickle
- polymer
- pot
- psilocin
- psilocybin
- radical
- radium
- rancor
- reagent
- reefer
- roach
- rough
- sharp
- snorkel
- soda
- sore
- soreness
- sour
- sourdough
- spleen
- sprinkler
- stewing
- stick
- stinging
- striking
- stringent
- strong
- tart
- tea
- telling
- tranquilizer
- trimer
- vinegar
- virulence
- vital
- vitriol
- water
- weed
- withering
- yogurt
acid (adj.)
- acerb
- acerbic
- acetic
- acetose
- acetous
- acid
- acidic
- acidulent
- acidulous
- acrid
- acrimonious
- angry
- antacid
- astringent
- ataractic
- base
- basic
- bile
- biochemical
- biting
- bitter
- burning
- caustic
- chemical
- choleric
- compound
- corrosive
- cutting
- discontented
- double-edged
- driving
- dry
- edged
- effective
- electrochemical
- elemental
- elementary
- fierce
- forceful
- forcible
- gage
- gutsy
- harsh
- imperative
- impressive
- incisive
- ion
- irritating
- joint
- keen
- lime
- metameric
- mordacious
- mordant
- nervous
- penetrating
- photochemical
- physicochemical
- piercing
- piquant
- poignant
- polymeric
- pot
- powerful
- psychedelic
- pungent
- radical
- rancorous
- resentful
- rigorous
- roach
- rough
- scathing
- scorching
- sensational
- severe
- sharp
- sinewy
- slashing
- sore
- sour
- splenetic
- stabbing
- stick
- stinging
- strident
- striking
- stringent
- strong
- subacid
- tart
- telling
- trenchant
- vehement
- vigorous
- violent
- virulent
- vital
- vitriolic
- water
- withering
