Modifiers matching element:

• skeletal,
• metallic,
• reflective,
• auxiliary,
• metal,
• special,
• nonmetallic,
• light,
• abrasive,
• symbolic,
• inorganic,
• repetitive,
• electronegative,
• heavy,
• interior,
• intermediate,
• particular,
• additional,
• functional,
• single,
• atomic,
• pure,
• continuous,
• earthly,
• geographical,
• good,
• structural,
• original,
• softer,
• toxic,
• aerodynamic,
• decorative,
• common,
• active,
• slender,
• definite,
• optical,
• regulatory,
• dense,
• passive,
• diffusing,
• inner,
• size,
• trivalent,
• driving,
• harmful,
• precast,
• tubular,
• architectural,
• hazardous,
• foreign,
• wooden,
• entire,
• dissolved,
• neutral,
• physical,
• lighter,
• graphical,
• moveable,
• geographic,
• sensitive,
• nonmetal,
• corrosive,
• critical,
• lightweight,
• radioactive,
• magical,
• expensive,
• secondary,
• inexpensive,
• paramagnetic,
• executable,
• refractory,
• melting,
• oxidizable,
• moving,
• crystalline,
• costly,
• level,
• graphic,
• up,
• metalloid,
• individual,
• covalent,
• digital,
• ferromagnetic,
• new,
• primitive,
• divalent,
• vital,
• key,
• curved,
• nonmagnetic,
• inert,
• noxious,
• main,
• biological,
• rare,
• solid,
• concrete,
• supporting,
• brittle,
• movable,
• photoconductive,
• volatile,
• heterogeneous,
• fixed,
• diatomic,
• rigid,
• semiconducting,
• linear,
• drawn,
• geometric,
• elastic,
• convenient,
• heavier,
• protective,
• large,
• complicated,
• higher,
• reactive,
• harsh,
• antibacterial,
• thermoelectric,
• basic,
• magnetic,
• visible,
• consumable,
• monatomic,
• discrete,
• destructive,
• complex,
• third,
• conductive,
• standard,
• oversized,
• promotional,
• soluble,
• noble,
• major,
• stable,
• essential,
• central,
• catalytic,
• mechanical,
• number,
• distinct,
• minor,
• monovalent,
• electrical,
• abundant,
• military,
• photovoltaic,
• interfering,
• mobile,
• simple,
• black,
• crustal,
• missing,

Simple categories matching rigid:

• material,
• surface,
• implement,
• measure,
• representation,
• bottle,
• structure,
• fiber,
• object,
• packing,
• plate,
• movement,
• product,
• metal,
• container,
• package,
• body,
• foam,
• item,
• substance,
• frame,
• thermoplastic,
• member,
• connection,
• support,
• fastener,
• airfoil,
• rod,
• gel,
• substrate,
• deposit,
• shape,
• lining,
• strip,
• aggregate,
• panel,
• cylinder,
• finish,
• feature,
• matter,
• cutoff,
• alteration,
• tool,
• appliance,
• component,
• monomer,
• coil,
• post,
• element,
• sphere,
• macromolecule,
• fabric,
• class,
• shaft,
• device,
• cloth,
• obstacle,
• architecture,
• entity,
• food,
• thread,
• case,
• rock,
• dressing,
• transformation,
• splint,
• carrier,
• matrix,
• fibre,
• sector,
• pavement,
• fixing,
• textile,
• unit,
• hitch,
• mineral,
• molecule,
• devices,
• document,
• instrument,
• protein,
• layer,
• stick,
• space,
• medium,
• mechanism,
• tip,
• floor,
• boundary,
• appendage,
• system,
• display,
• cover,
• watercraft,
• organs,
• tube,
• construction,
• tissue,
• block,
• wall,
• polymer,
• hanger,
• paper,
• casing,
• barrier,
• obstruction,
• tubing,
• web,
• sheet,
• form,
• plant,
• base,
• covering,
• vehicle,
• insulation,
• organ,
• bed,
• resin,
• particle,
• portion,
• means,
• pipe,
• profile,
• luggage,
• deck,
• armour,
• fixture,
• transparency,
• ground,
• adhesive,
• cement,
• instrumentation,
• change,
• plastic,
• filler,
• article,
• part,
• sorbent,
• solid,
• boot,
• connector,
• foundation,
• motion,
• group,
• piece,