Simple categories matching softer:

• abrasive,
• mineral,
• veggie,
• metal,
• material,
• surface,
• wine,
• meat,
• wood,
• food,
• tissue,
• resin,
• ion,
• ingredient,
• thing,
• area,
• fiber,
• cheese,
• substrate,
• bone,
• item,
• element,
• white,
• wire,
• equipment,
• stone,
• bean,
• unit,
• rock,
• gem,
• feelings,
• part,
• medium,
• information,
• soil,
• filling,
• measure,
• legume,
• hardwood,
• structure,
• substance,
• concept,
• cord,
• decoration,
• property,
• fabric,
• sediment,
• fibre,
• aggregate,
• formation,
• tree,
• product,
• covering,
• organism,
• commodity,
• fruit,
• floor,
• alloy,
• solid,
• particle,
• ore,
• pastel,
• attribute,
• rubber,
• ground,
• vegetable,
• variable,

Members with property softer:

• aluminum,
• copper,
• plantation,
• jute,
• elastomer,
• plexiglas,
• rubber_compound,
• gold,
• blood-vessel_wall,
• feelings,
• watermelon,
• wood,
• rubbery_material,
• aluminum_alloy,
• brass,
• aluminium,
• pine,
• values,
• soft_palate,
• turkey,
• urethane_foam,
• cheese_cheddar,
• polymer_clay,
• black_cherry,
• slate,
• cloth_fiber,
• balsa,
• fir,
• consumer_attitude,
• lead,
• sand_stone,
• stomach,
• armpit,
• silver,
• carbonate,
• gunmetal,
• concrete,
• styrofoam,
• dirt_path,
• merlot,
• calcite,
• sponge_rubber,
• polyurethane,
• soft_wood,
• hazel,
• silicon_nitride,
• track,
• rice,
• lettuce,
• cannabis,
• monterey_jack,
• green_grape,
• sod,
• open_field,
• plastic,
• international_development,
• lower_abdomen,
• hard_wax,
• toast,
• camembert,
• fat,
• obsidian,
• rubber_surface,
• rubber_belt,
• perspex,
• conglomerate,
• rayon,
• treated_pine,
• carbonate_mineral,
• asphalt,
• tin,
• cancellous_bone,
• dolomite,
• interest,
• mica,
• subcutaneous_tissue,
• seafood,
• au,
• tin_aluminum,
• buttocks,
• sycamore,
• newspaper,
• personal_development,
• berry,
• waterproof_leather,
• linden,
• congee,
• spongy_felt,
• citrus,
• bass,
• rubber_mat,
• bread,
• claystone,
• yellow_vegetable,
• yellow_gold,
• meatloaf,
• soft_maple,
• putty,
• social_development,
• polyester_elastomer,
• eggplant,
• enterprise_development,
• wet_area,
• malachite,
• dacron,
• fig,
• invar,
• tissue,
• hemlock,
• metal,
• face,
• grassy_field,
• couch,
• nickel,
• responsibility,
• leaf,
• acrylate,
• muenster,
• magnesium,
• bench,
• feather,
• legs,
• forest_pathway,
• chrome_leather,
• palladium,
• softening_food,
• truth,
• resin_wood,
• cheddar,
• plantain,
• pizza,
• potash,
• soft_soup,
• polyurethane_elastomer,
• raspberry,
• green_leaf,
• garlic,
• worm,
• rhodochrosite,
• tuna,
• open_hand,
• polystyrene,
• carpet,
• siltstone,
• sealer,
• trout,
• nickel-alloy_v,
• alloy,
• mud,
• hide,
• string,
• proximal_end,
• zinc,
• onion_epidermis,
• rubber_mulch,
• beach_sand,
• bath_stone,
• birch,
• pure_gold,
• mat,
• wax,
• morality,
• tricot_knit,
• green,
• brie,
• redwood,
• dacite,
• alder,
• antenna,
• kiwi,
• fine_soil,
• rubber_track,
• muddy_sand,
• body,
• onyx,
• carpet_rug,
• polyethylene,
• melamine,
• rigid_foam,
• apricot,
• zirconia,
• ground_meat,
• aluminium_alloy,
• elm,
• behaviour,
• bronze,
• yogurt,
• skill_development,
• soft_earth,
• grass,
• edam,
• cake,
• sisal,
• natural_wool,
• fish,
• gravel,
• rope,
• consolidated_clay,
• lentil,
• maple,
• base_material,
• personal_taste,
• brick,
• wood_fibre,
• pear_wood,
• mercury_cation,
• dirt_road,
• vegetable,
• amethyst,
• platinum,
• peat,
• bark,
• natural_pine,
• mandarin,
• sandwich_roll,
• porous_sandstone,
• noodle,
• cheese,
• pewter,
• tupelo,
• soft_rubber,
• roquefort,
• american_cherry,
• mouse_pad,
• public_perception,
• heart_pine,
• egg_dish,
• linseed_straw,
• breast,
• oiled_oak,
• shale,
• cork,
• wet_food,
• ligament,
• horse_trail,
• cobalt,
• lime_stone,
• dry_sand,
• spinach,
• apple,
• lid,
• date,
• silicon,
• meat,
• silicone,
• gorgonzola,
• ivory,
• sodium,
• sand,
• wood_mulch,
• soft_track,
• pudding,
• rubber,
• sandstone,
• skin,
• cadmium_copper,
• cast_stone,
• malleable_metal,
• polyester,
• interior,
• wax-paper_cup,
• bones,
• barium,
• gill,
• bean,
• shell,
• cream,
• plastic_material,
• banana,
• grassy_track,
• dog_hair,
• earth,
• wooden_frame,
• flexibility,
• gouda,
• glacial_till,
• manganese,
• concrete_product,
• foam,
• dead_rubber,
• husk,
• healthy_feelings,
• paint,
• rib,
• white_pine,
• strawberry,
• polymer,
• soft_chalk,
• schist,
• organic_gem,
• canvas,
• softer_polyurethane,
• porous_limestone,
• mild_steel,
• celery,
• cirrus,
• lettuce_leaf,
• argillite,
• onion,
• brushed_aluminum,
• iron_wire,
• wood_product,
• decaying_log,
• volcanic_tuff,
• snow,
• limestone,
• soft_chicken,
• polychaete,
• cherry,
• cadmium,
• egg,
• basic_values,
• chevre,
• sponge,
• soft_limestone,
• marble,
• cotton,
• inner_thigh,
• plaster,
• iron,
• silicon_rubber,
• fiber,
• pasta,
• manitoba_maple,
• urethane,
• spruce,
• hair,
• alabaster,
• acrylic,
• hard_rubber,
• taste,
• tomato,
• synthetic_track,
• fur,
• ripe_brie,
• water,
• chicken,
• sierra-leone_copal,
• soil,
• cereal,
• soup,
• napa_cabbage,
• cedar,
• grain,
• vegetable_fibre,
• tarmac,
• pellicle,
• cardboard,
• somerset_camembert,
• chardonnay,
• softer_steel,
• management_style,
• goat_cheese,
• frozen_food,
• thick_carpet,
• wiener,
• ricotta,
• expanded_polystyrene,
• straw,
• jute_fiber,
• shell_material,
• adaptability,
• field,
• mozzarella,
• flannel,
• lifestyle,
• leather,
• bass_wood,
• crushed_tuff,
• white_green,
• juniper,
• treadmill,
• pear,
• purpose,
• beryllium,
• pvc,
• walnut,
• sheepskin,
• red_grape,
• soapstone,
• tofu,
• loose_soil,
• ag,
• animal_hair,
• bottom,
• blueberry,
• pin_wood,
• base,
• wood_floor,
• fluorite,
• bamboo,
• veggie,
• avocado,
• teak,
• epiglottis,
• exercise_mat,
• gym_floor,
• cloth,
• fresh_fish,
• powder_snow,
• soft_cheese,
• mammal_fur,
• baked_potato,
• basswood,
• applesauce,
• talc,
• chrome,
• marbles,
• trail,
• soft_metal,
• neoprene,
• oak,
• salt,
• stone,
• kauri,
• marijuana,
• mushroom,
• mercury,
• righteousness,
• nylon,
• chlorite,
• asparagus,
• mattress,
• pie,
• detritus,
• career_development,
• iron_oxide,
• aluminum-bronze_alloy,
• development,
• potato,
• bauxite,
• bird_feather,
• grape,
• coal,
• steatite,
• paper,
• pea,
• wool,
• porridge,
• lasagna,
• western_cedar,
• orchard,
• antipasto,
• felt,
• cucumber,
• sealant,
• attitude,
• hot_cereal,
• stew,
• beaujolais,
• spongy_rubber,
• turquoise,
• topaz,
• hamburger,
• muscle,
• dance,
• walnut_shell,
• flax,
• perception,
• thigh,
• poplar,
• architecture,
• dirt_roads,
• steel,
• silk_fiber,
• fur_feather,
• talc_powder,
• chalk,
• cu,
• clay,
• fibre,
• carpeted_floor,
• raisin,
• aubergine,
• mahogany,
• feldspar,
• silver_ion,
• bone,
• trash,
• split_pea,
• chip_path,
• zucchini,
• cesium_iodide,
• dirt_trail,
• lead_alloy,
• belly,
• silt,
• tetrahedron,
• awareness,
• thick_soup,
• thermoplastic_material,
• beryllium_alloy,