Modifiers matching oxide:

• rare,
• metal,
• dense,
• elemental,
• inorganic,
• metallic,
• opaque,
• precious,
• catalytic,
• polyvalent,
• organic,
• refractory,
• common,
• important,
• synthetic,
• base,
• crystalline,
• pure,
• complex,
• particulate,
• simple,
• miscellaneous,
• coloured,
• binary,
• mixed,
• trivalent,
• gaseous,
• colloidal,
• ceramic,
• basic,
• silver,
• insoluble,
• stable,
• related,
• reactive,
• solid,
• transparent,
• secondary,
• molten,
• soluble,
• protective,
• diamagnetic,
• inexpensive,
• single,
• heterogeneous,
• alkaline,
• exotic,
• toxic,
• polycrystalline,
• raw,
• volatile,
• ionic,
• nonmetal,
• active,
• amorphous,
• powdered,
• inert,
• acidic,
• iron,
• heavy,
• nonmagnetic,
• conductive,
• hard,
• anodic,
• porous,
• acid,
• powdery,
• covalent,
• polymeric,
• nonconducting,
• semiconducting,

Simple categories matching protective:

• clothes,
• equipment,
• clothing,
• oxide,
• part,
• molecule,
• conduit,
• device,
• item,
• structure,
• nutrient,
• insect,
• constituent,
• element,
• measure,
• arrangement,
• wrapping,
• solute,
• lotion,
• material,
• bag,
• carrier,
• fat,
• group,
• apparel,
• mask,
• coating,
• outerwear,
• elements,
• hydrocolloid,
• garment,
• envelope,
• appliance,
• shelter,
• cushioning,
• care,
• defense,
• membrane,
• polymer,
• charm,
• footwear,
• instrument,
• metal,
• substance,
• apparatus,
• cover,
• fabric,
• gel,
• foodstuff,
• behavior,
• mineral,
• enclosure,
• ointment,
• siding,
• devices,
• hardware,
• institution,
• installation,
• container,
• facility,
• atmosphere,
• closure,
• habit,
• border,
• matrix,
• service,
• enzyme,
• sediment,
• adhesive,
• quality,
• compound,
• film,
• plating,
• property,
• guard,
• adult,
• seal,
• colloid,
• accessory,
• herb,
• characteristic,
• pigment,
• works,
• component,
• case,
• factor,
• fluid,
• coat,
• order,
• article,
• behaviour,
• antioxidant,
• packaging,
• lubricant,
• liquid,
• headgear,
• oil,
• relay,
• means,
• support,
• cloth,
• chemical,
• defence,
• modification,
• application,
• agency,
• shade,
• helmet,
• shell,
• construction,
• tissue,
• diet,
• security,
• procedure,
• switch,
• drug,
• wrap,
• wax,
• housing,
• cell,
• food,
• packing,
• agent,
• overclothes,
• glove,
• circuit,
• market,
• fence,
• paste,
• armour,
• tree,
• particle,
• modality,
• tape,
• placement,
• brace,
• gas,
• force,
• zone,
• unit,
• garb,
• sheet,
• feature,
• activity,
• system,
• product,
• surface,
• action,
• sugar,
• chamber,
• process,
• layer,
• object,
• insulator,
• covering,
• gear,
• organization,
• mechanism,
• attire,
• information,
• practice,
• protein,
• antibody,
• plate,
• barrier,
• pad,
• hat,
• area,
• skin,
• mattress,
• line,
• space,
• phytochemical,
• package,
• gadget,