Simple categories matching unlikely:

• occurrence,
• procedure,
• surface,
• event,
• material,
• situation,
• condition,
• thing,
• place,
• np,

Members with property unlikely:

• wood,
• arctic_region,
• bones,
• fire,
• dark,
• cork,
• burglary,
• highjacking,
• disaster,
• electricity_failure,
• nylon_webbing,
• accident,
• transmission_problem,
• suede,
• nuclear_accident,
• desert,
• war,
• coolant_failure,
• adrenalectomy,
• gold,
• metal,
• playground,
• wing_failure,
• storage_unit,
• loss,
• injury,
• cardboard,
• explosion,
• airplane_crash,
• mahogany,
• cellulose,
• satin,
• wool,
• leather,
• exception,
• grease,
• large_city,
• homer,
• slate,
• corporate_takeover,
• failure,
• winning_lottery,
• middle,
• quark,
• pubic_hair,
• rare_possibility,
• allen_key,
• domestic_terrorism,
• crime,
• resurrection,
• fabric,
• medical_emergency,
• computer_crash,
• early_death,
• catastrophic_fire,
• serious_accident,
• farm,
• internal_injury,
• political_upheaval,
• sicilian_wine,
• natural_calamity,
• outer_space,
• tar,
• felt,
• market_crash,
• spackle,
• cosmological_constant,
• bioterrorism,
• thermonuclear_war,
• velcro,
• silk,
• lithium_spring,
• conch_shell,
• sport,
• coil_failure,
• worldwide_recession,
• agate,
• alcohol,
• intrusion,
• vasectomy,
• sand,
• natural_disaster,
• car_filler,
• death,
• sabotage,
• concrete,
• step,
• al,
• distant_war,
• intact_ground,
• fever_therapy,
• widespread_blackout,
• catastrophe,
• extreme_flood,
• flood,
• inadvertent_mixing,
• job_internship,
• company_bankruptcy,