Modifiers matching insulator:

• thermal,
• protective,
• electrical,
• familiar,
• important,
• simple,
• inorganic,
• clear,
• electric,
• exotic,
• transparent,
• hard,
• fluid,
• suitable,
• solid,
• good,
• conventional,
• common,
• ceramic,
• polar,
• traditional,
• conductive,
• durable,
• polymeric,
• amorphous,
• synthetic,
• external,
• liquid,
• domestic,
• biological,
• crystalline,
• nonconductive,
• natural,
• white,
• elongated,
• slippery,
• organic,
• supporting,
• available,
• stable,
• elastic,
• ionic,
• hydrophilic,
• convenient,
• periodic,

Simple categories matching electric:

• source,
• log,
• equipment,
• characteristic,
• appliance,
• quantity,
• substance,
• ware,
• vehicle,
• metal,
• system,
• part,
• tool,
• machine,
• disturbance,
• product,
• fan,
• transport,
• pulse,
• flow,
• item,
• insulator,
• spark,
• signal,
• heating,
• device,
• truck,
• grill,
• outlet,
• switch,
• devices,
• discharge,
• material,
• instrument,
• container,
• sensor,
• utensil,
• field,
• drive,
• cookware,
• blower,
• connection,
• line,
• generator,
• implement,
• facility,
• means,
• article,
• energy,
• bulb,
• service,
• connector,
• injury,
• fixture,
• medium,
• capacitor,
• grid,
• motorcar,
• circuit,
• knowledge,
• structure,
• liquid,
• keyboard,
• timepiece,
• fish,
• display,
• indicator,
• sander,
• apparatus,
• installation,
• phenomenon,
• component,
• gadget,
• crystal,
• lighting,
• sector,
• circuitry,
• failure,
• accident,
• merchandise,
• meter,
• oven,
• gage,
• box,
• light,
• control,
• cable,
• furnace,
• propulsion,
• clothes,
• user,
• quality,
• unit,
• power,
• gizmo,
• wire,
• toy,
• noise,
• conductor,
• heater,
• current,
• property,
• accessory,
• hardware,
• railway,
• siren,
• event,
• car,
• lamp,
• instrumentation,
• substrate,
• potential,
• network,
• machinery,
• utility,
• motor,
• mechanism,
• perturbation,
• valve,
• assembly,
• detector,
• violin,
• shaver,
• producer,
• conductivity,