Modifiers matching preservative:

• antimicrobial,
• natural,
• artificial,
• bad,
• chemical,
• nasty,
• acid,
• dangerous,
• harmful,
• wholesome,
• organic,
• common,
• traditional,
• cheap,
• liquid,
• special,
• hazardous,
• unhealthy,
• synthetic,
• harmless,
• waterborne,
• raw,
• weak,
• carcinogenic,
• toxic,

Simple categories matching toxic:

• substance,
• bacteria,
• metal,
• stimulant,
• contaminant,
• pollutant,
• soil,
• volatile,
• chemical,
• solution,
• content,
• compound,
• algae,
• material,
• nsaid,
• treatment,
• effect,
• aggregate,
• intermediate,
• surfactant,
• illness,
• organism,
• industry,
• solid,
• gas,
• agent,
• reagent,
• narcotic,
• contamination,
• fumes,
• waste,
• snake,
• animal,
• drug,
• item,
• stabilizer,
• action,
• food,
• ion,
• situation,
• enzyme,
• fuel,
• antimetabolite,
• solvent,
• microbe,
• article,
• residue,
• stuff,
• derivative,
• spray,
• herbicide,
• dose,
• fertilizer,
• goitrogen,
• molecule,
• cause,
• beverage,
• matter,
• part,
• trauma,
• state,
• herb,
• microorganism,
• adulterant,
• hydrocarbon,
• cytokine,
• elapid,
• symptom,
• cereal,
• hazard,
• solute,
• medicine,
• entity,
• fluid,
• sedative,
• protease,
• monomer,
• carrier,
• pesticide,
• disorder,
• ingredient,
• propellant,
• nature,
• insecticide,
• product,
• thing,
• element,
• liquid,
• alkaloid,
• amide,
• drink,
• halide,
• input,
• oxidant,
• organophosphate,
• preservative,
• activator,
• plant,
• pathogen,
• carcinogen,
• amine,
• reaction,
• sign,
• powder,
• modality,
• grain,
• emotion,
• aldehyde,
• event,
• protein,
• toxin,
• constituent,
• oxide,
• suppressant,
• dust,
• salt,
• explosive,
• particle,
• disease,
• component,
• medication,
• stripper,
• phenomenon,
• activity,
• alcohol,
• system,
• mediator,
• anticoagulant,
• shrub,
• resin,
• carbonyl,
• precursor,
• antibiotic,
• mineral,
• particulate,
• immunosuppressant,
• response,
• poison,
• therapy,
• metabolite,
• condition,
• nonmetal,
• sweetener,
• disinfectant,