Modifiers matching formation:

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

Simple categories matching permeable:

• plate,
• diaphragm,
• material,
• soil,
• membrane,
• chemical,
• epithelium,
• region,
• mold,
• unit,
• sediment,
• rock,
• surface,
• space,
• enclosure,
• fiber,
• substance,
• belt,
• component,
• deposit,
• barrier,
• structure,
• formation,
• alloy,
• medium,
• solid,
• cloth,
• substrate,
• body,
• fabric,
• polymer,
• pavement,
• zone,
• ground,
• container,
• fluid,
• siding,
• product,
• layer,
• bedrock,
• object,
• waste,
• paving,
• compound,
• article,