Modifiers matching physics:

• theoretical,
• classical,
• traditional,
• atomic,
• chemical,
• modern,
• medical,
• relevant,
• molecular,
• mathematical,
• experimental,
• macroscopic,
• clinical,
• basic,
• advanced,

Simple categories matching theoretical:

• intellect,
• discipline,
• activity,
• entity,
• tendency,
• process,
• property,
• consideration,
• orientation,
• subject,
• model,
• physics,
• principle,
• science,
• linguistics,
• perspective,
• material,
• explanation,
• concept,
• content,
• dimension,
• nature,
• point,
• papers,
• piece,
• perception,
• course,
• education,
• issue,
• knowledge,
• thought,
• practice,
• tradition,
• position,
• payoff,
• force,
• unit,
• area,
• topic,
• idea,
• movement,
• assumption,
• hypothesis,
• problem,
• abstraction,
• thing,
• biology,
• system,
• particle,
• method,
• field,
• skill,
• domain,
• solution,
• literature,
• mechanism,
• study,
• terms,
• quantity,
• result,
• chemistry,
• component,
• methodology,
• way,
• foundation,
• representation,
• structure,
• economy,
• information,
• works,
• research,
• constraint,
• situation,
• part,
• notion,
• project,
• writing,
• framework,
• language,
• development,
• measure,
• purpose,
• philosophy,
• technique,
• work,
• math,
• proposition,