Modifiers matching stimulant:

• serious,
• synthetic,
• chemical,
• pharmacologic,
• powerful,
• inert,
• illegal,
• illicit,
• sexual,
• recreational,
• harsh,
• psychoactive,
• strong,
• popular,
• potent,
• natural,
• ventilatory,
• harmful,
• herbal,
• mild,
• physical,
• unnatural,
• biological,
• toxic,
• regular,
• psychomotor,
• harder,
• traditional,
• cardiovascular,
• soft,
• legal,
• artificial,
• cardiac,
• immune,
• simple,
• pharmaceutical,
• prescribed,
• dangerous,
• major,
• controlled,
• unhealthy,
• bitter,
• medical,
• manufactured,
• sympathomimetic,
• pharmacological,
• controversial,
• destructive,
• familiar,
• active,
• common,
• nervous,
• exogenous,
• addictive,

Simple categories matching biological:

• memory,
• process,
• impurity,
• flow,
• material,
• relic,
• character,
• fluid,
• technology,
• ingredient,
• molecule,
• force,
• means,
• science,
• secretion,
• scientist,
• anticoagulant,
• factor,
• disturbance,
• reason,
• substance,
• infection,
• parent,
• macromolecule,
• illness,
• artifact,
• solution,
• system,
• organization,
• passage,
• defect,
• tissue,
• plant,
• procedure,
• vocation,
• field,
• noise,
• pathway,
• kin,
• index,
• filter,
• chemistry,
• solid,
• father,
• cause,
• difference,
• organisation,
• event,
• problem,
• gel,
• brain,
• subject,
• profession,
• chemical,
• concretion,
• residue,
• measure,
• nutrient,
• machinery,
• trait,
• performance,
• resource,
• grouping,
• application,
• therapy,
• attribute,
• information,
• surface,
• act,
• cycle,
• effect,
• stimulant,
• measurement,
• fertiliser,
• processing,
• lipid,
• society,
• description,
• medium,
• notion,
• consideration,
• asymmetry,
• group,
• change,
• compound,
• fibre,
• body,
• content,
• offspring,
• situation,
• rhythm,
• data,
• magnitude,
• identification,
• fertilizer,
• textile,
• origin,
• assembly,
• alcohol,
• criterion,
• specimen,
• pest,
• result,
• component,
• ligand,
• effector,
• insulator,
• object,
• interaction,
• study,
• microbe,
• invasion,
• arts,
• vessel,
• individual,
• integrity,
• membrane,
• program,
• antioxidant,
• sludge,
• toxin,
• inquiry,
• state,
• characteristic,
• quantity,
• shape,
• nature,
• disease,
• terms,
• filament,
• surroundings,
• complication,
• element,
• container,
• test,
• waste,
• source,
• phenomenon,
• variant,
• species,
• culture,
• complex,
• buffer,
• organism,
• sequence,
• agent,
• anion,
• movement,
• world,
• drive,
• drug,
• success,
• concept,
• team,
• improvement,
• coating,
• area,
• amine,
• option,
• machine,
• marker,
• category,
• diversity,
• organs,
• variable,
• relative,
• catalyst,
• testing,
• parameter,
• constituent,
• pathogen,
• danger,
• particulate,
• maturation,
• unit,
• sample,
• activator,
• modification,
• aggregate,
• level,
• variation,
• project,
• cofactor,
• aspect,
• polymer,
• hazard,
• chamber,
• compartment,
• response,
• assemblage,
• function,
• motion,
• motive,
• phase,
• development,
• times,
• interest,
• irregularity,
• action,
• issue,
• behavior,
• conduit,
• composition,
• structure,
• carrier,
• research,
• reaction,
• treatment,
• works,
• appendage,
• consequence,
• creature,
• disorder,
• mechanism,
• glue,
• damage,
• preparation,
• matrix,
• precursor,
• fibril,
• tendency,
• contamination,
• phenotype,
• surfactant,
• sound,
• age,
• ontology,
• knowledge,
• significance,
• detector,
• member,
• space,
• target,
• relationship,
• necessity,
• layer,
• environment,
• swarm,
• passageway,
• network,
• topic,
• reservoir,
• control,
• analysis,
• medication,
• disposition,
• cell,
• engineering,
• community,
• form,
• end,
• food,
• item,
• enzyme,
• entity,
• pattern,
• duct,
• poison,
• benefit,
• boundary,
• behaviour,
• adhesive,
• abnormality,
• pesticide,
• trauma,
• task,
• polysaccharide,
• sex,
• stress,
• mixture,
• stimulus,
• sector,
• activity,
• discipline,
• pigment,
• operator,
• sensor,
• product,
• thing,
• protein,
• weapon,
• assay,
• matter,
• substrate,
• contaminant,
• domain,
• signal,
• feature,
• work,
• microorganism,
• intervention,
• condition,
• industry,
• property,
• quality,
• liquid,
• sugar,
• constraint,
• evolution,
• fuel,
• part,
• frontier,
• indicator,
• evidence,
• fiber,
• limb,
• particle,
• mineral,