Modifiers matching acid:

• chemical,
• fatty,
• unwanted,
• accessible,
• organic,
• saturated,
• natural,
• weak,
• phosphorous,
• active,
• nitrogenous,
• amino,
• base,
• inorganic,
• cyclic,
• strong,
• nonvolatile,
• relevant,
• little,
• monovalent,
• free,
• hydrophobic,
• acidic,
• small,
• common,
• volatile,
• hydrophilic,
• available,
• extra,
• carboxylic,
• digestive,
• polyunsaturated,
• mild,
• cellular,
• exogenous,
• useful,
• metabolic,
• wet,
• oxidizable,
• dangerous,
• basic,
• hard,
• soft,
• lipophilic,
• safe,
• conventional,
• aqueous,
• heterogeneous,
• heavy,
• endogenous,
• dietary,
• gaseous,
• preservative,
• unsaturated,
• corrosive,
• aggressive,
• polymeric,
• neutral,
• essential,
• dissolved,
• possible,
• poisonous,
• industrial,
• wholesome,
• popular,
• aliphatic,
• agricultural,
• hydroxy,
• unusual,
• simple,
• acid,
• liquid,
• aromatic,
• monounsaturated,
• acetic,
• nontoxic,
• ordinary,
• additional,
• edible,
• heterocyclic,
• monocarboxylic,
• solid,

Simple categories matching gaseous:

• contamination,
• cyanide,
• mass,
• fuel,
• hydrocarbon,
• reactant,
• sulphide,
• alkyne,
• substance,
• monomer,
• fluid,
• compound,
• impurity,
• molecule,
• system,
• precursor,
• material,
• atmosphere,
• acid,
• phenomenon,
• buffer,
• carrier,
• state,
• medium,
• component,
• alkane,
• constituent,
• contaminant,
• mixture,
• plasma,
• object,
• agent,
• matter,
• pollutant,
• salt,
• olefin,
• waste,
• flow,
• body,
• form,
• substrate,
• chemical,
• anaesthetic,
• oxide,
• fumigant,
• anesthetic,
• odor,