Modifiers matching mass:

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

Simple categories matching gaseous:

• atmosphere,
• fuel,
• system,
• hydrocarbon,
• object,
• alkyne,
• fluid,
• mixture,
• anaesthetic,
• compound,
• buffer,
• mass,
• olefin,
• flow,
• substance,
• precursor,
• form,
• phenomenon,
• cyanide,
• chemical,
• fumigant,
• component,
• carrier,
• molecule,
• plasma,
• oxide,
• material,
• impurity,
• alkane,
• body,
• medium,
• contaminant,
• state,
• matter,
• odor,
• monomer,
• sulphide,
• waste,
• reactant,
• acid,
• pollutant,
• contamination,
• anesthetic,
• substrate,
• salt,
• constituent,
• agent,