Simple categories matching nontoxic:

• metal,
• material,
• solution,
• leaf,
• product,
• constituent,
• solid,
• oil,
• salt,
• antifreeze,
• chemical,
• coating,
• solute,
• gas,
• substance,
• acid,
• bark,
• fabric,
• solvent,
• plant,
• compound,
• component,
• agent,
• ingredient,
• liquid,
• buffer,
• fluid,

Members with property nontoxic:

• organic_material,
• ammonium_salt,
• iron,
• water,
• magnesium_salt,
• zinc,
• tungsten,
• silicone_paint,
• hemp,
• nitrate,
• fertilizer,
• co2,
• acetaminophen,
• alundum,
• paint,
• grass,
• ground_limestone,
• zinc_acetate,
• inert_gas,
• veggie_wash,
• tin,
• colliery_shale,
• krypton,
• soil,
• detergent,
• steel_shot,
• certain_food,
• co,
• oxygen,
• carpet_glue,
• antifreeze,
• brass,
• wax,
• orthophosphate,
• acetic_acid,
• vinegar,
• na,
• organic_paint,
• bitter_apple,
• glycerol,
• niobium,
• calcium,
• aluminum,
• titanium_alloy,
• ethene,
• lemon,
• propane,
• sucrose,
• propylene,
• cosmetic_product,
• tungsten_alloy,
• humectant,
• nitrogen_gas,
• sierra_antifreeze,
• humic_material,
• orchid_bark,
• cold_coffee,
• glue,
• manganese,
• zirconium,
• ca,
• cider,
• untreated_wood,
• corn,
• oil,
• tobacco_sheet,
• bismuth,
• barium,
• silicon,
• ammonium_sulfate,
• linen,
• urea,
• boron,
• cellulosic_material,
• chloride,
• honey,
• titanium,
• banana_leaf,
• boric_acid,
• stone,
• foaming_agent,
• ethane,
• surgical_steel,
• potassium_salt,
• alumina,
• sulfate,
• alkali-metal_salt,
• peptide,
• pine,
• rose_leaf,
• igloo_ice,
• lemon_leaf,
• magnesium,
• preservative,
• calcium_salt,
• canola,
• carbon,
• protein,
• phenolic_glycoside,
• acid,
• earthen_plaster,
• air,
• coal-tar_epoxy,
• straw,
• helium,
• banana,
• nitrogen,
• methane,
• orange,
• mg,
• phosphate,
• buffer,
• cutlery_oil,
• sulfuric_acid,
• cyanide,
• phosphoric_acid,
• organic_cotton,
• synthetic_material,
• adhesive,
• subsoil,
• vitamin,
• peroxide,
• steel,
• rock,
• silica,
• lanthanum,
• asbestos,
• natural_zeolite,
• felt,
• elastomer,
• surfactant,
• talc,
• nonfat_milk,
• gear_oil,
• argon,
• ink,
• wood,
• sugar,
• saline,
• copper,
• sodium_salt,
• paper,
• bamboo,
• silicone,
• acetone,
• polyphosphate,
• carbonate,
• strawberry,
• emulsifier,
• gasoline,