Modifiers matching flow:

• geophysical,
• fluid,
• natural,
• geometric,
• complicated,
• granular,
• gaseous,
• residual,
• heated,
• demographic,
• long,
• basic,
• hydrodynamic,
• macroscopic,
• turbulent,
• variable,
• standard,
• shared,
• internal,
• diverse,
• spatial,
• industrial,
• real,
• pedestrian,
• multiphase,
• difficult,
• secondary,
• common,
• model,
• astrophysical,
• complex,
• open,
• environmental,
• simple,
• simultaneous,
• optic,
• electric,
• biological,
• elementary,
• hot,
• ecological,
• volcanic,
• gravitational,
• financial,
• violent,

Simple categories matching elementary:

• particle,
• wave,
• object,
• information,
• modality,
• force,
• lepton,
• shape,
• entity,
• system,
• product,
• attribute,
• way,
• article,
• movement,
• picture,
• form,
• ability,
• unit,
• process,
• symbol,
• volume,
• figure,
• action,
• measurement,
• solid,
• calculation,
• phenomenon,
• automaton,
• stream,
• analysis,
• structure,
• event,
• training,
• signal,
• principle,
• component,
• surface,
• block,
• source,
• statistics,
• evidence,
• essential,
• carbon,
• feature,
• flow,
• aspect,
• semiconductor,
• class,
• task,
• faculty,
• fragment,
• item,
• reaction,
• relationship,
• function,
• operations,
• part,
• behaviour,
• curve,
• emotion,
• equipment,
• circuit,
• case,
• organism,
• quantity,
• set,
• necessity,
• tool,
• gates,
• facility,
• mechanism,
• characteristic,
• knowledge,
• motion,
• group,
• sensation,
• property,
• thing,
• instruction,
• sign,
• measure,
• idea,
• metal,
• perception,
• stage,
• concept,
• organization,
• instrument,
• transformation,
• polygon,
• type,
• antenna,
• operation,
• spread,
• algebra,
• mathematics,
• subject,
• piece,
• theme,
• topic,
• vocabulary,
• defect,
• substance,
• antiparticle,
• representation,
• state,
• notion,
• behavior,
• pattern,
• constituent,
• program,
• activity,
• material,
• operator,