Modifiers matching formation:

• typical,
• geological,
• quaternary,
• hollow,
• geologic,
• salt,
• natural,
• social,
• porous,
• particular,
• medium,
• standard,
• popular,
• stable,
• star,
• mental,
• larger,
• spatial,
• hard,
• elastic,
• pedestrian,
• underground,
• geographic,
• regular,
• tall,
• unusual,
• solid,
• morbid,
• formal,
• structural,
• plastic,
• discrete,
• polygonal,
• permeable,
• massive,
• thick,
• siliceous,
• sticky,
• impervious,
• smaller,
• surrounding,
• soft,
• organic,
• cultural,
• individual,
• harder,
• monolithic,
• earthen,
• conical,
• small,
• sedimentary,
• dense,
• cambrian,
• geographical,
• sacred,
• volcanic,
• historical,
• geometric,
• undesirable,
• acid,
• virtual,
• internal,
• political,
• rocky,
• territorial,
• key,
• deep,
• geophysical,
• igneous,
• ideological,
• military,
• diverse,
• pointed,
• abrasive,
• up,
• complex,
• personal,
• conceptual,
• common,
• moving,
• unconsolidated,
• weak,
• galactic,
• national,
• traditional,
• subsurface,
• nearby,
• driving,
• active,
• crystalline,
• exterior,
• homogeneous,
• pathologic,
• softer,
• major,
• organized,
• vertical,
• ancient,
• artistic,
• calcareous,
• large,
• intricate,
• offer,
• impressive,
• spiritual,
• interesting,
• glacial,
• symbolic,
• defensive,
• molecular,
• past,
• strong,
• separate,
• uniform,
• unstable,
• coastal,
• christian,
• rare,
• strange,
• unique,
• impermeable,
• underwater,
• beautiful,
• tropical,
• special,
• impersonal,

Simple categories matching harder:

• currency,
• food,
• material,
• stone,
• medium,
• drug,
• abrasive,
• feldspar,
• genre,
• part,
• stuff,
• surface,
• metal,
• sediment,
• assets,
• rock,
• crystal,
• pin,
• substrate,
• thing,
• aggregate,
• boot,
• narcotic,
• polymer,
• music,
• resin,
• structure,
• substance,
• ground,
• glass,
• deposit,
• tissue,
• object,
• sport,
• stimulant,
• cheese,
• ingredient,
• wood,
• alloy,
• gemstone,
• filler,
• layer,
• fabric,
• work,
• agent,
• powder,
• particle,
• mineral,
• formation,