Simple categories matching upper:

• drug,
• material,
• garment,
• level,
• predator,
• plane,
• outerwear,
• cloth,
• ability,
• region,
• layer,

Members with property upper:

• transport_layer,
• sweatshirt,
• synthetic_leather,
• webbing,
• jacket,
• atm_layer,
• rugby_shirt,
• gown,
• fibrous_tissue,
• query_processor,
• crack,
• sock,
• leather,
• shirt,
• bra,
• ritalin,
• application_layer,
• turban,
• caftan,
• ip_layer,
• radio-link_control,
• varnish,
• mental_flexibility,
• ip_check,
• network,
• meth,
• cocaine,
• billfish,
• shark,
• mantle,
• suede,
• block,
• base,
• tuna,
• blouse,
• internet_layer,
• pvc,
• ip_stack,
• coke,
• specification_layer,
• platform,
• rubber,
• enterprise_network,
• stratosphere,
• textile_material,
• link,
• waistcoat,
• security,
• nylon_mesh,
• nylon,
• modem,
• kurta,
• halter,
• attention,
• transport,
• command-line_interface,
• logical_link,
• synthetic,
• polyurethane,
• cloak,
• application_action,
• speed,
• atm,
• control_plane,
• fabric,
• sport_bra,
• undershirt,
• coat,
• disk,
• network_layer,
• call_control,
• kameez,
• dress,
• amphetamine,
• functional_level,
• cloth,
• run_control,
• upholstery,
• service,
• mattress,
• methamphetamine,
• control,