Modifiers matching drive:

• mechanical,
• old,
• psychological,
• basic,
• auxiliary,
• physiological,
• motivational,
• virtual,
• biological,
• small,
• homeostatic,
• natural,
• industrial,
• major,
• internal,
• emotional,
• local,
• detailed,
• fundamental,
• extra,
• animal,
• hard,
• electric,
• simple,
• portable,
• removable,
• marine,
• conflicting,
• physiologic,
• external,
• dangerous,
• electrical,
• magnetic,
• optical,
• individual,
• outboard,
• outside,
• destructive,
• physical,
• new,
• peripheral,
• motor,
• empty,
• remote,
• micro,
• inborn,
• current,
• primary,
• behavioural,
• critical,
• visceral,
• wrong,
• complicated,

Simple categories matching physiological:

• cause,
• organs,
• process,
• indicator,
• condition,
• substrate,
• stage,
• complaint,
• state,
• measurement,
• transition,
• trait,
• capacity,
• characteristic,
• concomitant,
• activity,
• diagnosis,
• perception,
• variable,
• secretion,
• complication,
• modification,
• failure,
• sensor,
• makeup,
• fluid,
• change,
• issue,
• area,
• organ,
• stressor,
• event,
• point,
• hazard,
• perturbation,
• matrix,
• quality,
• trauma,
• dependence,
• component,
• barrier,
• task,
• action,
• reaction,
• inducer,
• preparation,
• signature,
• shift,
• chemical,
• criterion,
• purpose,
• rhythm,
• substance,
• property,
• drive,
• limit,
• effect,
• development,
• arousal,
• movement,
• pressure,
• situation,
• discomfort,
• entity,
• function,
• benefit,
• episode,
• consequence,
• ligand,
• illness,
• marker,
• pattern,
• disorder,
• requirement,
• structure,
• adaptation,
• solute,
• variation,
• feature,
• manifestation,
• matter,
• status,
• steroid,
• protein,
• procedure,
• constituent,
• buffer,
• compound,
• level,
• system,
• phenomenon,
• sample,
• tissue,
• carrier,
• tremor,
• material,
• artifact,
• intervention,
• dimension,
• work,
• space,
• problem,
• anticoagulant,
• quantity,
• study,
• parameter,
• reflex,
• character,
• constant,
• molecule,
• measure,
• necessity,
• information,
• dimer,
• malady,
• factor,
• activator,
• cue,
• impairment,
• behavior,
• attribute,
• topic,
• disease,
• signal,
• stimulus,
• limitation,
• tension,
• abnormality,
• difference,
• symptom,
• injury,
• data,
• response,
• mechanism,
• motion,
• sense,
• sound,
• interference,
• irregularity,
• agent,
• location,
• sign,
• amine,
• fluctuation,
• control,
• vessel,
• disturbance,
• damage,
• innovation,
• fuel,
• stress,
• alteration,