Modifiers matching rod:

• large,
• plastic,
• metal,
• extra,
• rigid,
• flexible,
• heated,
• heavy,
• small,
• solid,
• flat,
• thin,
• long,
• moving,
• wooden,
• over,
• smaller,
• enteric,
• horizontal,
• artificial,
• continuous,
• conductive,

Simple categories matching rigid:

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