Modifiers matching reservoir:

• external,
• natural,
• home,
• stable,
• liquid,
• nonliving,
• mobile,
• subsurface,
• local,
• geological,
• underground,
• traditional,
• simple,
• environmental,
• common,
• large,
• sedimentary,
• deep,
• biological,
• medical,
• fluid,
• geologic,
• seasonal,
• small,
• vast,
• internal,
• impermeable,
• geophysical,

Simple categories matching fluid:

• waste,
• level,
• system,
• property,
• path,
• serum,
• medium,
• application,
• refrigerant,
• ability,
• collection,
• state,
• material,
• substance,
• conductor,
• compartment,
• food,
• foodstuff,
• network,
• quantity,
• feature,
• solvent,
• fabric,
• lubricant,
• charge,
• component,
• power,
• machinery,
• process,
• force,
• coolant,
• surface,
• container,
• motion,
• line,
• insulator,
• bag,
• dynamics,
• quality,
• heater,
• concentrate,
• emulsion,
• carrier,
• dispenser,
• pump,
• protein,
• seasoning,
• article,
• influence,
• impurity,
• fuel,
• object,
• pressure,
• coefficient,
• item,
• mixture,
• condition,
• milk,
• passage,
• metal,
• infusion,
• conduit,
• transport,
• commodity,
• phase,
• mechanics,
• earth,
• flow,
• body,
• mineral,
• contamination,
• vessel,
• topic,
• particle,
• contaminant,
• filter,
• stream,
• fluid,
• source,
• drink,
• sphere,
• device,
• phenomenon,
• ink,
• machine,
• composition,
• motor,
• layer,
• supply,
• market,
• intake,
• hydrocarbon,
• processing,
• product,
• warmer,
• hull,
• assembly,
• disturbance,
• equipment,
• solid,
• turbine,
• paint,
• compound,
• intelligence,
• reservoir,
• form,
• comestible,
• movement,
• structure,
• sample,
• information,
• behaviour,
• matrix,
• content,
• slurry,
• transformation,
• blockage,
• behavior,
• space,
• change,
• constituent,
• mechanism,
• nourishment,
• abnormality,
• characteristic,