Simple categories matching cheaper:

• material,
• feed,
• garment,
• thing,
• stuff,
• system,
• component,
• product,
• food,
• part,
• meat,
• metal,
• fur,
• fruit,
• foodstuff,
• insecticide,
• animal,
• chemical,
• painkiller,

Members with property cheaper:

• cathode,
• sweet,
• battery,
• plastic_material,
• sausage,
• linen,
• banana,
• lightweight_steel,
• baked_enamel,
• fruit,
• computer,
• chalk,
• food,
• aluminium,
• sulfur,
• ddt,
• apple,
• latex,
• buffalo,
• memory,
• white_flour,
• express_bus,
• snail,
• rat,
• lamb_shank,
• coconut_husk,
• maple,
• poultry,
• corn_starch,
• rabbit,
• ni,
• wood,
• fish_formula,
• sheepskin,
• al,
• wool,
• metal,
• iron,
• stubble,
• pasta,
• sugar,
• rice_vinegar,
• nylon,
• glue,
• white_gold,
• cement,
• chicken,
• hamburger,
• organic_polymer,
• astrakhan,
• pork,
• leather,
• beef,
• nickel,
• grape,
• muslin,
• polyurethane,
• sorghum,
• grain,
• dry_bean,
• potato,
• granite,
• fox,
• grit,
• ibuprofen,
• lime,
• copper,
• vegetable,
• chicken_formula,
• calendar,
• hi_book,
• crown_cap,
• ta,
• pewter,
• baked_mud,
• mild_steel,
• music,
• sticker,
• stone,
• oil,
• gold,
• platinum,
• wood_waste,
• turkey,
• sea_salt,
• carbon,
• legume,
• nitrogen,
• doughnut,
• limestone,
• polymer,
• cotton,
• silver,
• whole_chicken,
• speed,
• apricot,
• cardboard,
• bean,
• water-buffalo_horn,
• cu,
• silicon,
• pear,
• fur,
• cellulose,
• foam,
• pvc,
• bread,
• cobalt_salt,
• amorphous_silicon,
• plaster,
• fan,
• microwave,
• clay,
• steel,
• polyester,
• nitrile_rubber,
• coarse_grain,
• rubber,
• hot_dog,
• aluminum,
• acid,
• rice,
• zinc,
• epoxy,
• corn_meal,
• egg,
• cereal_grain,
• lcd,
• co,
• brass,
• processor,