Modifiers matching mass:

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

Simple categories matching atomic:

• parameter,
• interaction,
• material,
• theory,
• system,
• liquid,
• quantity,
• bond,
• ligand,
• gas,
• fluid,
• property,
• particle,
• number,
• composition,
• research,
• unit,
• weight,
• structure,
• physics,
• change,
• instruction,
• phenomenon,
• medium,
• process,
• surface,
• metal,
• constituent,
• entity,
• field,
• distribution,
• imperfection,
• solute,
• matter,
• target,
• volume,
• aggregate,
• values,
• object,
• domain,
• control,
• migration,
• attribute,
• grouping,
• agent,
• event,
• layer,
• force,
• thing,
• group,
• hydrogen,
• value,
• dimension,
• crystal,
• oxygen,
• mass,
• solid,
• signal,
• atom,
• resonance,
• element,
• substance,
• motion,
• isotope,
• information,
• operations,
• packing,
• component,
• core,
• position,
• feature,
• transport,
• level,
• vapor,
• cluster,