Modifiers matching investigation:

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

Simple categories matching expensive:

• loan,
• item,
• material,
• unit,
• tubing,
• animal,
• therapy,
• mission,
• fiber,
• arrangement,
• substance,
• wood,
• area,
• equipment,
• metal,
• creature,
• disease,
• catalyst,
• protein,
• research,
• instrumentation,
• part,
• seafood,
• softwood,
• assay,
• shellfish,
• feed,
• food,
• benefit,
• upkeep,
• meal,
• roller,
• component,
• thing,
• fabric,
• trip,
• vegetable,
• footwear,
• sector,
• problem,
• furniture,
• os,
• gadget,
• task,
• shopping,
• polymer,
• oil,
• gas,
• antidepressant,
• sounder,
• resin,
• antiquity,
• illness,
• outing,
• measure,
• modality,
• garment,
• hardwood,
• paving,
• discipline,
• variety,
• product,
• drug,
• fibre,
• work,
• restaurant,
• fuel,
• merchandise,
• content,
• carpet,
• elements,
• species,
• club,
• staff,
• cloth,
• institution,
• examination,
• ceremony,
• commodity,
• experiment,
• element,
• repair,
• layer,
• mailing,
• assistance,
• constituent,
• structure,
• fertilizer,
• spice,
• mammal,
• generator,
• artefact,
• flooring,
• publication,
• endeavour,
• undertaking,
• rubber,
• kimono,
• ornament,
• horse,
• shop,
• furnishing,
• feature,
• weapon,
• investigation,
• platform,
• medication,
• machinery,
• apparatus,
• expert,
• frill,
• activity,
• glassware,
• property,
• substrate,
• hardware,
• liquid,
• conductor,
• grain,
• jewelry,
• security,
• container,
• device,
• arts,
• pearl,
• condition,
• tool,
• livestock,
• car,
• sulfide,
• fruit,
• assets,
• decoration,
• packaging,
• pharmaceutical,
• facility,
• sensor,
• cofactor,
• test,
• intervention,
• instrument,
• land,
• issue,
• accessory,
• object,
• protection,
• means,
• speaker,
• fish,
• opal,
• housing,
• essence,
• event,
• boat,
• condiment,
• penalty,
• procedure,
• vessel,
• textile,
• works,
• testing,
• extra,
• devices,
• glass,
• process,
• module,
• fruitwood,
• resource,
• coolant,
• course,
• stone,
• beverage,
• polysaccharide,
• clothes,
• analysis,
• clothing,
• vinegar,
• defense,
• technology,
• herb,
• cereal,
• shed,
• bike,
• solution,
• boutique,
• transport,
• endeavor,
• gear,
• organs,
• gemstone,
• rug,
• building,
• control,
• behaviour,
• filler,
• ink,
• programming,
• fixture,
• form,
• foodstuff,
• possession,
• camera,
• treatment,
• set,
• jewel,
• pastime,
• flavouring,
• steak,
• agent,
• abrasive,
• wine,
• ingredient,
• location,
• coating,
• bridge,
• souvenir,
• option,
• narcotic,
• meat,
• mechanism,
• wax,
• operations,
• system,
• school,
• paraphernalia,
• package,
• article,
• hotel,
• care,
• mouse,
• perishable,
• shape,
• machine,
• gasket,
• drink,
• sport,
• stuff,
• management,
• medicine,
• chemical,
• function,
• gem,
• appliance,
• practice,
• serum,
• accoutrement,
• plant,
• medium,
• horn,
• improvement,
• clutch,
• essential,
• hospital,
• country,
• brush,
• service,
• delicacy,
• fluid,
• chicken,
• nightspot,
• method,
• installation,
• mineral,
• study,
• toy,
• computer,
• vehicle,
• compound,
• debt,
• surface,
• sweetener,
• lock,
• ware,
• aggregate,
• peripheral,
• medicament,
• workstation,
• projector,
• program,
• silicon,
• input,
• room,
• flower,
• coenzyme,
• change,
• software,
• tissue,
• antibiotic,
• alloy,
• alcohol,