Modifiers matching mass:

• large,
• solid,
• immovable,
• plastic,
• nonlinear,
• larger,
• moving,
• molten,
• architectural,
• metal,
• heavy,
• nearby,
• stellar,
• gravitational,
• solar,
• atomic,
• gaseous,
• huge,
• special,
• decorative,
• smaller,
• external,
• compact,
• porous,
• big,
• high,
• hot,
• diocesan,
• significant,

Simple categories matching compact:

• object,
• space,
• unit,
• equipment,
• substrate,
• material,
• vehicle,
• group,
• alga,
• subset,
• mass,
• form,
• shape,
• timepiece,
• surface,
• cluster,
• star,
• feature,
• trash,
• system,
• soil,
• polygon,
• region,
• device,
• subgroup,
• laser,
• devices,
• blank,
• waste,
• machinery,
• body,
• set,
• area,
• computer,
• gadget,
• explosive,
• flower,
• rock,
• artifact,
• display,
• terminal,
• support,
• keyboard,
• pc,
• fabric,
• solid,
• item,
• printer,
• machine,
• watch,
• moiety,
• place,
• structure,
• car,
• wood,
• patch,
• mixture,
• circuit,
• appliance,
• entity,
• filler,
• apparatus,