Modifiers matching doctorate:

• professional,
• advanced,
• clinical,

Simple categories matching advanced:

• science,
• appliance,
• material,
• information,
• education,
• credit,
• subject,
• topic,
• image,
• animal,
• program,
• operations,
• task,
• stage,
• mathematics,
• devices,
• defense,
• use,
• process,
• system,
• mechanism,
• processor,
• content,
• structure,
• theory,
• degree,
• network,
• attribute,
• discipline,
• metal,
• option,
• detector,
• technology,
• component,
• alloy,
• fuel,
• control,
• medicine,
• chemistry,
• work,
• intervention,
• organism,
• vehicle,
• area,
• container,
• equipment,
• region,
• surface,
• reasoning,
• apparatus,
• calculation,
• profession,
• effect,
• doctorate,
• fibre,
• spread,
• modality,
• field,
• resource,
• industry,
• item,
• complication,
• practice,
• shape,
• corporation,
• sensor,
• thing,
• group,
• instrumentation,
• sport,
• measure,
• pattern,
• motor,
• vessel,
• ceramics,
• disease,
• plate,
• sector,
• weapon,
• institution,
• algorithm,
• robot,
• facility,
• theme,
• weaponry,
• rating,
• technique,
• species,
• imaging,
• synthesis,
• instrument,
• course,
• mammal,
• stroke,
• optimization,
• searcher,
• study,
• coating,
• therapy,
• hardware,
• works,
• stuff,
• treatment,
• biotechnology,
• characteristic,
• building,
• power,
• instruction,
• machinery,
• widget,
• means,
• unit,
• job,
• concept,
• skill,
• world,
• installation,
• force,
• knowledge,
• issue,
• maneuver,
• strategy,
• plot,
• surgery,
• database,
• test,
• nation,
• condition,
• product,
• obstacle,
• law,
• care,
• insect,
• tool,
• training,
• physics,
• movement,
• illness,
• behavior,
• physiology,
• massage,
• rendering,
• operator,
• calculator,
• project,
• class,
• society,
• math,
• machine,
• method,
• school,
• artifact,
• procedure,
• cancer,
• activity,
• fiber,
• substrate,
• dressing,
• mode,
• feature,
• medium,
• aircraft,
• whale,
• filter,
• application,
• trick,
• country,
• function,
• tumor,
• service,