Simple categories matching hygroscopic:

• fibre,
• dust,
• salt,
• granule,
• material,
• resin,
• medium,
• chemical,
• fluid,
• agent,
• particle,
• substance,
• polymer,
• liquid,
• deposit,
• substrate,
• component,
• food,
• compound,
• yarn,
• fiber,
• mineral,
• filler,
• ingredient,
• residue,
• property,
• fabric,

Members with property hygroscopic:

• dried_sawdust,
• paper,
• wood,
• egg-white_powder,
• metal,
• vermiculite,
• polyurethane,
• cobalt_chloride,
• foodstuff,
• lithium_chloride,
• glycerin,
• sulfate,
• salt,
• urea,
• polyester,
• book,
• nylon,
• acetal,
• tobacco,
• acrylic,
• slaked_lime,
• glycol,
• chloride,
• alumina,
• animal_hair,
• spice,
• lignin,
• alkali-metal_hydroxide,
• ace,
• gypsum,
• nylons,
• glucosamine_sulphate,
• magnesium_chloride,
• mg_salt,
• textile,
• sawdust,
• ammonium_nitrate,
• calcium,
• cloth,
• ethanol,
• insulation,
• hydraulic_fluid,
• wood_dust,
• polypropylene_fiber,
• magnesium_sulphate,
• fertilizer_salt,
• zinc_chloride,
• hemp,
• cotton,
• fibrous_material,
• pulp,
• tea,
• fertilizer,
• ethylene_portion,
• cellulose,
• flax,
• human_hair,
• gelatin,
• diatomite_grain,
• leather,
• textile_fiber,
• sugar,
• cheese_powder,
• agricultural_product,
• sulphate,
• starch,
• zeolite,
• textile_material,
• sponge,
• pa,
• lithium_bromide,
• ivory,
• granulated_sugar,
• lactate,
• bentonite,
• calcium_chloride,
• grain,
• ammonia,
• heavy_spar,
• clay,
• ammonium-nitrate_granule,
• cardboard,
• exposed_wood,
• calcium-sulfate_hydrate,
• nitrate,
• polyethylene,
• methanol,
• styrene,
• lactose,
• hair,
• cellulose_fiber,
• sodium,
• choline_chloride,
• borate,
• felt,
• parchment,
• stone,
• fiber,
• wallpaper,
• cellulose_derivative,
• sulphuric_acid,
• canvas,
• abs,
• phosphoric_acid,
• reacting_aluminium,
• acetate,
• sodium_salt,
• polyethylene_glycol,
• powder_coffee,
• magnesium_nitrate,
• fruit_powder,
• gypsum_sheet,
• chalk,
• silica,
• granule,
• carbide,
• polish,
• dehydrated_zeolite,
• butadiene_portion,
• common_salt,
• shellac,
• activated_alumina,
• preservative,
• wood_product,
• polyamide,
• glycerine,
• plaster,
• polypropylene_glycol,
• alkali_phosphate,
• pumice,
• dextrose,
• quicklime,
• glycerol,
• wall_lining,
• seed,
• viscose,
• carbohydrate,
• uncoated_paper,
• lime_plaster,
• honey,
• ammonium_sulfate,
• sulfuric_acid,
• cellulose_fibre,
• glucose,
• textile_buffer,
• abs_nylon,
• textile_fibre,
• nitride,
• lithium_nitrate,
• moisture_transport,
• chloride_salt,
• deliquescent_compound,
• sea_salt,
• potassium_acetate,
• cement,
• titania,
• tc,
• parchment_paper,
• dry_fiber,
• silk,
• wool,
• carrier,