Modifiers matching oxide:

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

Simple categories matching insoluble:

• material,
• aggregate,
• cement,
• substance,
• item,
• component,
• builder,
• chemical,
• salt,
• compound,
• medium,
• complex,
• macromolecule,
• salicylate,
• particle,
• monomer,
• protein,
• matter,
• oxide,
• soil,
• drug,
• carbohydrate,
• shell,
• liquid,
• precipitate,
• fibre,
• contaminant,
• impurity,
• abrasive,
• fiber,
• polymer,
• form,
• matrix,
• sediment,
• deposit,
• sulphide,
• contamination,
• rock,
• oligosaccharide,
• carrier,
• polysaccharide,
• metal,
• gas,
• ester,
• molecule,
• thing,
• bubble,
• object,
• powder,
• surface,
• solid,
• constituent,
• mercury,
• filler,
• phosphorus,
• fertiliser,
• mineral,
• solute,
• substrate,
• structure,
• waste,
• lipid,
• solvent,
• particulate,
• fertilizer,
• residue,
• fluoride,
• conductor,
• resin,
• nutrient,
• coating,
• spinel,
• electrode,
• fraction,
• sugar,
• phosphate,
• acceptor,
• scaffold,
• lubricant,
• portion,
• hydroxide,
• alcohol,
• system,
• halide,
• pollutant,
• product,
• metabolite,