Simple categories matching unfamiliar:

• location,
• situation,
• fruit,
• system,
• object,
• person,
• aroma,
• challenge,
• food,
• place,
• part,
• territory,
• item,
• device,
• equipment,
• host,

Members with property unfamiliar:

• peacock_screen,
• child,
• milo,
• hotel,
• trap,
• new_neighborhood,
• rope,
• vase,
• papaya,
• dried_egg,
• coconut,
• broccoli,
• mung-bean_cake,
• lease_terms,
• gray_water,
• restaurant_setting,
• wild_fern,
• crutch,
• puritan_gravestone,
• mango,
• computer_keyboard,
• pc,
• internal_conflict,
• wonton_maker,
• kumquat,
• nuclear_reactor,
• fried_grasshopper,
• spring,
• park,
• new_town,
• buddhist_statue,
• rod,
• moving_toy,
• internet,
• ball,
• motor,
• marriage,
• fig,
• chicken,
• apricot,
• robot,
• rice,
• hamburger,
• bizarre_aroma,
• human_patient,
• medical_equipment,
• unfamiliar_car,
• bus,
• cherimoya,
• crawfish,
• bag,
• satellite,
• cemetery,
• lever,
• mayonnaise,
• water,
• animal,
• stethoscope,
• octopus,
• drumstick_leaf,
• briefcase,
• milk,
• office,
• new_job,
• vegetable,
• public_place,
• sushi,
• spinach_quiche,
• buffalo_milk,
• worry,
• client_office,
• trash,
• toy,
• phytoplankton_culture,
• nonfat_milk,
• wheelchair,
• rice_wine,
• kiwi,
• apple_peeler,
• hibiscus_leaf,
• family_instability,
• umbrella,
• call_bell,
• backpack,
• new_city,
• tool,
• native-american_basket,
• grapevine,
• mangosteen,
• surfboard,
• pellet_food,
• pasta,
• yogurt,
• generator,
• computer,
• gray,
• desert,
• package,
• brush,
• lute,
• box,
• historical_district,
• peanuts,
• pomegranate,
• mode,
• apple,
• violet,
• plumber,
• rock_carving,
• last_night,
• breadfruit,
• broken_radio,
• group,
• foreign_country,
• town,
• sound,
• persimmon,
• conflict,
• wok,
• branch,
• group_home,
• artichoke,
• nettle_soup,
• spam,
• date,
• fool,
• braille_page,
• tenement_block,
• mountainous_terrain,
• relations,
• school,
• ram_egg,
• tofu,
• switch,
• crone,
• white_sapote,
• new_school,
• crate,
• human,
• forklift,
• jackfruit,
• customer_site,