Modifiers matching nitrile:

• organic,
• unsaturated,
• hazardous,
• complex,
• aliphatic,
• conjugated,

Simple categories matching hazardous:

• unit,
• specimen,
• assignment,
• substance,
• material,
• waste,
• drinking,
• formulation,
• matter,
• insecticide,
• metal,
• chemical,
• site,
• pesticide,
• crossing,
• process,
• system,
• residue,
• location,
• halide,
• elements,
• technology,
• compound,
• product,
• circuit,
• item,
• metabolite,
• fixture,
• space,
• oxidant,
• drink,
• food,
• land,
• pattern,
• point,
• element,
• region,
• condiment,
• plant,
• herb,
• recreation,
• organophosphate,
• cargo,
• operations,
• motion,
• preservative,
• propellant,
• industry,
• property,
• organism,
• use,
• intermediate,
• terrain,
• appliance,
• explosive,
• feature,
• fuel,
• choice,
• characteristic,
• atmosphere,
• gas,
• business,
• solvent,
• thing,
• drug,
• article,
• pollutant,
• behavior,
• service,
• facility,
• action,
• bacteria,
• part,
• job,
• creature,
• occurrence,
• air,
• animal,
• scene,
• microbe,
• pollution,
• tool,
• behaviour,
• hazard,
• pursuit,
• index,
• fluid,
• activity,
• duty,
• sport,
• constituent,
• task,
• equipment,
• impurity,
• fiber,
• weather,
• enterprise,
• accident,
• pathogen,
• machinery,
• incident,
• place,
• room,
• nature,
• area,
• phenomenon,
• solid,
• light,
• event,
• particulate,
• nitrile,
• meat,
• installation,
• attribute,
• program,
• commodity,
• ground,
• body,
• disease,
• microorganism,
• environment,
• surface,
• fumes,
• beverage,
• obstacle,
• reactant,
• agent,
• pastime,
• container,
• anion,
• liquid,
• herbicide,
• ingredient,
• situation,
• object,
• weapon,
• condition,
• sector,
• occupation,
• hydrocarbon,
• contaminant,
• employment,
• contamination,
• abrasive,
• work,
• obstruction,
• aggregate,
• salt,
• machine,
• particle,
• structure,
• component,
• precipitation,