Modifiers matching foam:

• polymeric,
• natural,
• plastic,
• thicker,
• brittle,
• pliant,
• metal,
• dense,
• rigid,
• solid,
• edible,
• synthetic,
• cellular,
• organic,
• resilient,
• hydrophobic,
• semirigid,
• conventional,
• lightweight,
• flexible,
• sensitive,
• inexpensive,
• aqueous,
• acoustic,
• stable,
• pliable,
• porous,
• expanded,
• resinous,
• thermoplastic,
• thermosetting,
• structural,
• surrounding,
• soft,
• hydrophilic,
• traditional,

Simple categories matching dense:

• fruit,
• person,
• cake,
• world,
• writer,
• seed,
• bone,
• product,
• surface,
• novelist,
• material,
• center,
• crucible,
• fluid,
• actor,
• matter,
• thing,
• layer,
• hardwood,
• mineral,
• rock,
• meat,
• body,
• component,
• stone,
• obstruction,
• substance,
• phase,
• map,
• plasma,
• metal,
• object,
• wood,
• vine,
• oxide,
• matrix,
• grain,
• till,
• sediment,
• nut,
• contaminant,
• bush,
• fuel,
• powder,
• target,
• cover,
• deposit,
• beverage,
• plate,
• sensor,
• softwood,
• cloth,
• formation,
• area,
• atmosphere,
• tile,
• organelle,
• cluster,
• conifer,
• structure,
• shade,
• foam,
• construction,
• bones,
• soil,
• commodity,
• state,
• fabric,
• tissue,
• substrate,
• atom,
• condition,
• organism,
• filler,
• feed,
• liquid,
• food,
• gas,
• bread,
• housing,
• forest,
• polymer,
• solution,
• constituent,
• form,
• obstacle,
• pattern,
• water,
• vegetable,
• molecule,
• article,
• element,
• graph,
• vegetation,
• system,
• aggregate,
• tumor,
• organ,
• tree,
• dish,
• region,
• solid,
• star,
• particle,
• loaf,
• medium,
• shrub,
• waste,
• use,
• foliage,
• organs,
• mixture,
• unit,
• set,
• item,
• solute,