Modifiers matching impurity:

• reactive,
• physical,
• random,
• airborne,
• interfering,
• fine,
• microscopic,
• heavier,
• coarse,
• volatile,
• lighter,
• visible,
• stubborn,
• micro,
• little,
• ordinary,
• fluid,
• undesired,
• absorptive,
• initial,
• atmospheric,
• ionic,
• environmental,
• corrosive,
• dilute,
• lightweight,
• unwanted,
• unavoidable,
• mobile,
• sticky,
• damaging,
• soluble,
• insoluble,
• organic,
• small,
• gaseous,
• suspended,
• natural,
• smaller,
• nonpolar,
• mental,
• hazardous,
• inorganic,
• common,
• heterogeneous,
• solid,
• dissolved,
• harmless,
• light,
• particulate,
• anionic,
• residual,
• biological,
• minute,
• chemical,
• up,
• minor,
• homogeneous,
• mechanical,
• harmful,
• colloidal,
• off,
• foreign,
• separate,
• polar,
• active,
• desirable,
• possible,
• out,

Simple categories matching mobile:

• plant,
• part,
• equipment,
• device,
• system,
• craft,
• site,
• phase,
• object,
• animal,
• child,
• stuff,
• scavenger,
• merchant,
• unit,
• marketing,
• abstraction,
• predator,
• surface,
• student,
• telephony,
• worker,
• form,
• usage,
• hydrogen,
• care,
• invertebrate,
• sediment,
• instrument,
• vehicle,
• organism,
• computer,
• job,
• space,
• bird,
• assets,
• liquid,
• telephone,
• poikilotherm,
• troops,
• audio,
• entertainment,
• installation,
• executive,
• thing,
• node,
• being,
• resource,
• host,
• mammal,
• pc,
• constituent,
• mechanism,
• radio,
• user,
• chair,
• assistant,
• receiver,
• industry,
• butterfly,
• metal,
• offering,
• assembly,
• station,
• building,
• toy,
• prey,
• solid,
• population,
• support,
• sensor,
• market,
• platform,
• gas,
• area,
• hardware,
• species,
• tank,
• cation,
• agent,
• personnel,
• occupation,
• connector,
• transport,
• item,
• shellfish,
• product,
• caregiver,
• data,
• herbivore,
• particle,
• elements,
• substance,
• group,
• commerce,
• tv,
• nature,
• robot,
• molecule,
• location,
• operator,
• situation,
• cell,
• deposit,
• information,
• dna,
• substrate,
• decapod,
• characteristic,
• sector,
• library,
• means,
• vendor,
• application,
• individual,
• workforce,
• content,
• benthos,
• search,
• person,
• format,
• reactant,
• pollinator,
• activity,
• facility,
• mollusk,
• zooplankton,
• devices,
• impurity,
• parasite,
• peripheral,
• gear,
• property,
• playing,
• ion,
• contaminant,
• adult,
• database,
• casino,
• technology,
• barrier,
• container,
• machine,
• appliance,
• advertising,
• condition,
• conveyance,
• game,
• source,
• subject,
• entity,
• mollusc,
• artifact,
• arthropod,
• compound,
• service,
• gadget,
• loader,
• carrier,
• creature,
• pest,
• component,
• medium,
• joint,
• machinery,
• carnivore,
• furniture,
• connection,
• technician,
• echinoderm,
• vertebrate,
• staff,
• insect,
• tool,
• fleet,
• terminal,
• broadcasting,
• atom,
• code,
• office,
• network,
• element,
• professional,
• force,
• place,
• sport,
• buffer,
• apparatus,
• mineral,
• organs,
• instrumentality,
• nose,
• fauna,
• sprayer,
• business,
• reservoir,
• cart,
• employee,
• program,
• ad,
• people,
• communication,
• shelter,
• crustacean,
• organ,
• oil,
• faceplate,
• company,
• material,
• structure,
• larva,
• tissue,
• use,
• region,