Modifiers matching foam:

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

Simple categories matching cellular:

• plant,
• oxidase,
• component,
• process,
• characteristic,
• arrangement,
• pigment,
• sample,
• activity,
• membrane,
• motion,
• event,
• irregularity,
• particle,
• material,
• disorder,
• structure,
• reproduction,
• system,
• property,
• polymer,
• polystyrene,
• organism,
• attribute,
• disease,
• mixture,
• constituent,
• interaction,
• pathway,
• condition,
• bacteria,
• compound,
• migration,
• adaptation,
• organs,
• chemical,
• nucleotide,
• kinase,
• metabolism,
• macromolecule,
• substance,
• matter,
• segregation,
• level,
• rna,
• parasite,
• pattern,
• information,
• feature,
• activation,
• foam,
• machine,
• microorganism,
• chordate,
• signal,
• phosphatase,
• intermediate,
• therapy,
• stimulus,
• factor,
• area,
• state,
• behaviour,
• mrna,
• pressure,
• entity,
• program,
• substrate,
• assembly,
• fate,
• injury,
• telephone,
• creature,
• gene,
• molecule,
• object,
• reaction,
• acid,
• routine,
• evidence,
• trait,
• surface,
• device,
• fluid,
• organization,
• hemoprotein,
• location,
• phenomenon,
• response,
• organelle,
• core,
• alteration,
• pathogen,
• protein,
• antioxidant,
• behavior,
• species,
• immunity,
• region,
• cofactor,
• activator,
• function,
• waste,
• nutrient,
• change,
• damage,
• fragment,
• stress,
• devices,
• motility,
• compartment,
• consequence,
• modification,
• ligand,
• movement,
• abnormality,
• mechanism,
• investigation,
• receptor,
• metabolite,
• body,
• affliction,
• buffer,
• microbe,
• piece,
• solid,
• enzyme,
• morphology,
• action,
• elastomer,
• lipid,
• marker,
• eukaryote,
• control,
• tissue,
• situation,
• machinery,
• product,
• requirement,
• integrity,
• specimen,
• fiber,