Modifiers matching shelter:

• erect,
• temporary,
• communal,
• portable,
• outside,
• internal,
• safe,
• makeshift,
• natural,
• animal,
• suitable,
• larger,
• sturdy,
• informal,
• artificial,
• covered,
• smaller,
• indoor,
• irregular,
• traditional,
• major,
• outdoor,
• basic,
• permanent,
• dark,
• alternative,
• mobile,
• inside,
• small,
• warm,
• damp,
• humid,
• underground,
• protective,
• private,
• homeless,
• nearby,
• separate,
• recreational,
• fixed,
• under,
• open,
• up,

Simple categories matching sturdy:

• material,
• wood,
• paper,
• furniture,
• device,
• cotton,
• component,
• post,
• bicycle,
• clothes,
• fabric,
• object,
• stone,
• surface,
• cloth,
• herb,
• book,
• furnishing,
• shoes,
• protection,
• structure,
• pan,
• toy,
• footwear,
• substrate,
• bench,
• bag,
• support,
• prop,
• stick,
• box,
• container,
• pot,
• cutter,
• board,
• shelter,
• base,
• metal,
• green,
• stuff,
• product,
• instrument,
• compound,
• item,
• tree,
• predator,
• pole,
• paint,
• enclosure,
• brush,
• plant,
• clothing,
• equipment,
• fixture,
• card,