Modifiers matching investigation:

• surgical,
• under,
• special,
• empirical,
• diagnostic,
• extensive,
• federal,
• regulatory,
• good,
• technical,
• clinical,
• molecular,
• chromosomal,
• gi,
• expensive,
• current,
• costly,
• intrusive,
• recent,
• medical,
• scientific,
• cellular,
• complex,
• detailed,
• relevant,
• major,
• social,
• invasive,
• scholarly,
• out,
• radiological,
• departmental,
• geologic,
• instrumental,
• gastrointestinal,
• important,
• spatial,
• painful,
• specialised,
• official,
• specialized,
• basic,
• essential,
• legal,
• environmental,
• additional,
• common,
• appropriate,
• routine,
• criminal,
• formal,
• explicit,
• administrative,
• compulsory,
• minor,
• complementary,
• simple,
• endoscopic,
• preoperative,
• demanding,
• forensic,
• cardiac,
• necessary,
• haematological,
• archaeological,
• supplemental,
• governmental,
• experimental,

Simple categories matching extensive:

• hardware,
• facility,
• processing,
• game,
• property,
• part,
• education,
• area,
• option,
• activity,
• traveller,
• project,
• use,
• utility,
• quantity,
• material,
• commodity,
• equipment,
• structure,
• division,
• disability,
• support,
• covering,
• market,
• computation,
• information,
• effort,
• planning,
• feature,
• measure,
• change,
• restoration,
• works,
• magnitude,
• study,
• topic,
• knowledge,
• action,
• control,
• decoration,
• input,
• explanation,
• service,
• surface,
• preparation,
• application,
• database,
• assistance,
• training,
• industry,
• work,
• benefit,
• investigation,
• item,
• density,
• obstacle,
• event,
• recreation,
• data,
• offering,
• discipline,
• content,
• attribute,