Modifiers matching sphere:

• institutional,
• public,
• domestic,
• light,
• big,
• elastic,
• artistic,
• heavy,
• economic,
• round,
• private,
• smaller,
• creative,
• social,
• productive,
• technical,
• solid,
• federal,
• separate,
• cultural,
• small,
• mundane,
• metallic,
• fluid,
• commercial,
• packed,
• soft,
• sensitive,
• urban,
• rigid,
• hollow,
• uniform,
• metal,
• large,
• innovative,
• suspended,
• intimate,
• disciplinary,
• male,
• conventional,
• local,
• managerial,
• scientific,
• translucent,
• democratic,
• imaginative,
• civilian,
• colloidal,
• particular,
• reflective,
• semipublic,
• smooth,
• distant,
• elemental,
• impermeable,
• restricted,
• world,
• societal,
• new,
• outside,
• political,
• corporate,
• traditional,
• territorial,
• educational,
• discrete,
• organisational,

Simple categories matching hollow:

• article,
• utensil,
• feature,
• object,
• area,
• conduit,
• structure,
• part,
• tubing,
• thing,
• jewelry,
• construction,
• dish,
• item,
• sphere,
• vessel,
• polyhedron,
• needle,
• form,
• wall,
• reed,
• organ,
• stem,
• implement,
• ball,
• space,
• organs,
• section,
• material,
• container,
• component,
• region,
• protuberance,
• formation,
• viscera,
• cavity,
• glass,
• carrier,
• piece,
• ceiling,
• tissue,
• animal,
• assembly,
• panel,
• body,
• shape,
• shaft,
• pipe,
• particle,
• wood,
• cylinder,
• bones,
• handgrip,
• viscus,
• tree,
• pole,
• tube,
• beads,
• bone,
• plant,
• receptacle,
• fibre,
• passage,
• bird,
• ware,
• instrument,
• fiber,
• shell,
• surface,
• glassware,
• product,