Modifiers matching rock:

• reactive,
• sedimentary,
• hard,
• visible,
• deleterious,
• compact,
• firm,
• hardest,
• soluble,
• red,
• volcanic,
• metamorphic,
• modern,
• igneous,
• primary,
• porous,
• soft,
• dense,
• difficult,
• unusual,
• crustal,
• spherical,
• weaker,
• softer,
• dark,
• local,
• crystalline,
• isolated,
• refractive,
• precious,
• argillaceous,
• intrusive,
• planetary,
• powdered,
• free,
• common,
• heated,
• reflective,
• glassy,
• fragmented,
• magnetic,
• tight,
• smaller,
• lighter,
• original,
• small,
• industrial,
• siliceous,
• base,
• sticky,
• brittle,
• artificial,
• heterogeneous,
• chemical,
• azonic,
• suitable,
• ordinary,
• elastic,
• calcareous,
• metallic,
• normal,
• bituminous,
• flinty,
• indigenous,
• competent,
• anisotropic,
• basic,
• decorative,
• ingenious,
• hot,
• simple,
• korean,
• marine,
• coarse,
• acid,
• refractory,
• heavy,
• exotic,
• inert,
• impenetrable,
• resistant,
• dry,
• crushed,
• noble,
• frozen,
• traditional,
• salt,
• useful,
• barren,
• clastic,
• harder,
• stable,
• flying,
• sharp,
• durable,
• egyptian,
• fine,
• crumbly,
• enough,
• carbonaceous,
• extrusive,
• polycrystalline,
• good,
• polyphase,
• natural,
• colored,
• british,
• abundant,
• abrasive,
• heavier,
• subsurface,
• unstable,
• conductive,
• lightweight,
• insoluble,
• consolidated,
• extraterrestrial,
• covered,
• organic,
• molten,
• inappropriate,
• older,
• colorful,
• large,
• rough,
• stronger,
• solid,
• plutonic,
• virgin,
• unconsolidated,
• smooth,
• homogeneous,
• white,
• new,
• impermeable,
• aluminous,
• alkaline,
• typical,
• light,
• weak,
• tough,
• available,
• ornamental,
• nonporous,
• angular,
• terrestrial,
• russian,
• coloured,
• fragile,
• widespread,
• looking,
• geological,
• dated,
• flat,
• underlying,
• related,
• strong,
• friable,
• permeable,
• polished,
• eruptive,
• geologic,
• massive,
• native,
• acidic,
• loose,
• surrounding,
• uniform,
• vitreous,
• ductile,
• combustible,
• sedentary,
• rich,
• granular,
• size,
• intermediate,
• rigid,
• textured,
• pulverized,
• opaque,
• impervious,
• non-porous,

Simple categories matching porous:

• papers,
• bag,
• furnishing,
• surface,
• material,
• masonry,
• portion,
• polymer,
• substrate,
• rock,
• unit,
• filler,
• wall,
• film,
• stone,
• fibre,
• soil,
• barrier,
• molecule,
• item,
• insulation,
• property,
• constituent,
• solid,
• obstacle,
• paving,
• medium,
• floor,
• paper,
• wood,
• enclosure,
• part,
• gem,
• metal,
• silk,
• fiber,
• fomite,
• compound,
• cloth,
• mass,
• softwood,
• product,
• semiconductor,
• object,
• formation,
• leather,
• implement,
• particle,
• layer,
• region,
• carrier,
• structure,
• fabric,
• mineral,
• sheet,
• packing,
• powder,
• foam,
• pad,
• membrane,
• area,
• clothing,
• food,
• tree,
• flooring,
• aquifer,
• coating,
• sorbent,
• bed,
• gemstone,
• thing,
• space,
• artifact,
• fuel,
• hardwood,
• article,
• foodstuff,
• sediment,
• substance,
• system,
• web,
• ground,
• filter,
• pavement,
• container,
• oxide,
• body,
• clothes,
• carbon,
• pigment,
• aggregate,
• mold,
• tile,
• rubber,
• tissue,
• support,
• electrode,
• hose,