Modifiers matching rock:

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

Simple categories matching firm:

• input,
• fish,
• surface,
• plate,
• fillet,
• success,
• fruit,
• value,
• level,
• substrate,
• commitment,
• vegetable,
• quality,
• food,
• earth,
• meat,
• melon,
• variable,
• characteristic,
• cookie,
• practice,
• function,
• object,
• tissue,
• trait,
• attribute,
• container,
• soil,
• structure,
• collar,
• fabric,
• integration,
• control,
• material,
• substance,
• happening,
• performance,
• thread,
• assets,
• competency,
• veggie,
• dimension,
• behavior,
• information,
• activity,
• move,
• solid,
• organization,
• body,
• topic,
• plum,
• apple,
• whitefish,
• policy,
• item,
• resource,
• mixture,
• program,
• ground,
• size,
• part,
• ceiling,
• foundation,
• particle,
• data,
• feature,
• upright,
• support,
• measure,
• shape,
• fixture,
• foodstuff,
• rock,
• involvement,
• candy,
• base,
• component,
• area,