Simple categories matching massive:

• object,
• wall,
• body,
• flood,
• vehicle,
• thing,
• event,
• building,
• rock,
• material,
• abrasive,
• particle,
• clump,
• resource,
• plant,
• system,
• organization,
• solid,
• star,
• disturbance,
• item,
• metal,
• data,
• surface,
• lepton,
• structure,
• enterprise,
• tune,
• phenomenon,
• fermion,
• substrate,
• antiquity,
• establishment,
• article,
• conflagration,
• equipment,
• galaxy,
• unit,
• tragedy,
• institution,
• agency,
• substance,
• effort,
• barrel,
• component,
• support,
• coalition,
• wood,
• construction,
• disaster,
• accident,
• calamity,
• entity,
• catastrophe,
• impact,
• formation,
• region,

Members with property massive:

• core,
• supergiant,
• star,
• sun,
• neutron,
• granite,
• inner_data,
• cooling_water,
• planet,
• larch,
• black_hole,
• structure,
• foundation,
• sheet,
• hanger,
• book,
• tank,
• red_supergiant,
• government,
• proton,
• kerb_stone,
• galaxy,
• terrestrial_planet,
• splendid_cathedral,
• electron,
• lock,
• parent_galaxy,
• masonry_wall,
• heavy_atom,
• suv,
• moon,
• us,
• such_object,
• basalt,
• motor_generator,
• french_army,
• love_parade,
• he_atom,
• engine,
• peony,
• bridge_abutment,
• xenon,
• asia_tsunami,
• uprising,
• molecule,
• pistol_star,
• giant_galaxy,
• large_star,
• steamship,
• sea-level_change,
• brown_dwarf,
• tractor-trailer_rig,
• pine_wood,
• conductor,
• neutrino,
• merger,
• cement,
• antiproton,
• wall,
• mass_dam,
• wimp,
• masonry_column,
• pb,
• cd,
• treasury,
• defense,
• bridge,
• door,
• court_house,
• exotic_wood,
• convention,
• oak,
• airplane,
• clutch,
• poplar,
• pillar,
• turquoise,
• woolworth_building,
• tree,
• christmas_ball,
• bus,
• gas_storage,
• state,
• rave_explosion,
• bulkhead,
• multistory_building,
• earth_wall,
• lightning_strike,
• quark,
• galaxy_formation,
• car,
• poverty_point,
• sun_wheeler,
• fire,
• reactor_cover,
• large_galaxy,
• catastrophic_fire,
• heavy_wall,
• neutron_baryon,
• car_body,
• factory,
• el_ni,
• connection,
• hammer,
• multinational_corporation,
• macho,
• carnival,
• eu,
• power_lead,
• parabolic_antenna,
• love,
• olympics,
• block,
• underground_tunnel,
• muon,
• massive_galaxy,
• tungsten_dust,
• covered-wagon_race,
• si_wafer,
• utopia,
• praetorium,
• fan,
• earthquake,
• singer_tower,
• castle,
• noah_flood,
• chestnut,
• globular_cluster,
• ion_trap,
• love_theme,
• hospital,
• northeast,
• movable_bridge,
• abutment,
• industrial_fire,
• mountain_top,
• turbogenerator,
• large_magnet,
• linear_accelerator,
• desk,
• hotel,
• atom,
• maple,
• galaxy_cluster,
• gravity_dam,
• quantum_dot,
• pion,
• brandenburg_gate,
• flood,
• large_warehouse,
• concrete,
• airport_hangar,
• stellar_system,
• battery,
• andesite,
• concrete_masonry,
• tower,
• schist,
• skyscraper,
• pulsar,
• adobe,
• meteor,
• fuel,
• bridge_pier,
• x-ray_star,
• digital_library,
• portable_soup,
• galactic_core,
• concrete_floor,
• plane,
• constituent_quark,
• nucleon,
• brass,
• sand,
• rock,
• computational_biology,
• concrete_structure,
• torus,
• floor,
• coliseum,
• truck,
• meteor_collision,
• navy,
• library,
• oak_wood,
• filament,
• giant,
• building,
• sodium_atom,
• lath_bed,
• split,
• aqueduct,
• straw,
• sandstone,
• train,
• asian_tsunami,
• tall_building,
• train_wreck,
• concrete_block,
• ground,
• refrigerator_lining,
• sunroof,
• dam,
• micelle,
• galaxy_space,
• fair,
• radiation,
• university,
• light_atom,
• plaster,
• rocket_attack,
• medieval_church,
• comet,
• ion,
• magnesium-oxide_block,
• orchard_crop,
• beech,
• financial_institution,
• boson,
• dim_star,
• van,
• dimer,
• cluster,
• small_pistol,
• pier_footing,
• china,
• elliptical_galaxy,
• caisson,
• corporation,
• masonry,
• silver,
• granite_gneiss,
• railway_train,
• asteroid,
• ordinary_masonry,
• iron_plate,
• curtain_wall,
• commercial_vehicle,
• rhyolite_porphyry,
• fertilizer,
• shell,
• transportation_department,
• stone,
• clay,
• concrete_wall,
• pump,
• marble,
• freight_container,
• concrete_pillar,
• limestone,
• beijing_olympics,
• large_molecule,
• iceberg,
• simulated_battery,
• gneiss,
• rocket,
• heavy_neutrino,
• war,
• earth,
• pier,
• reaction_vessel,
• dark,
• blast_wall,
• cattle_stampede,
• fin,
• petroleum_fire,
• sequoia,
• refrigerator,
• essence,
• ramp,
• dacite,
• demolition_waste,
• battle_tank,
• cathedral,
• wood,
• brick,
• gold,
• city_wall,
• botany,
• apple,
• tractor,
• rolling_mill,
• men,
• storm,
• supernova,
• lead_plate,
• normal_galaxy,
• paneling,
• higher_education,
• dirt,
• major_eruption,
• cloud,
• mass_movement,
• vancouver_olympics,
• log,
• concrete_shielding,
• radical_change,
• nafta,
• reactor_building,
• massive_quark,
• ship,
• tsunami,
• abutment_wall,
• fort,
• rhyolite,
• rich_cluster,
• wharf,
• gigantic_star,
• conglomerate,
• semiconductor,
• nation_state,
• large_dam,
• incubator,
• mahogany,
• boom,
• assault,
• tiny_vehicle,
• wings,
• siltstone,
• star_cluster,
• concrete_dam,
• spacecraft,
• grand,
• emerald_jungle,
• tau_lepton,
• heavy_pier,
• train_derailment,
• airplane_crash,
• express_railroad,
• solar_collector,
• thick_stone,
• small_stone,