Modifiers matching effort:

• national,
• athletic,
• creative,
• grassroots,
• mental,
• cognitive,
• concrete,
• regional,
• educational,
• promotional,
• incidental,
• large,
• physical,
• competitive,
• scientific,
• simple,
• miscellaneous,
• future,
• innovative,
• literary,
• preventive,
• behavioral,
• administrative,
• related,
• respiratory,
• communal,
• smaller,
• strategic,
• humanitarian,
• alternative,
• mundane,
• parental,
• medical,
• general,
• visible,
• dynamic,
• medicinal,
• nonsurgical,
• private,
• international,
• military,
• supportive,
• civic,
• extensive,
• commercial,
• special,
• societal,
• organizational,
• therapeutic,
• corporate,
• individual,
• institutional,
• remedial,
• meaningful,
• strenuous,
• additional,
• joint,
• corrective,
• ascetic,
• collaborative,
• muscular,
• artificial,
• intensive,
• detailed,
• positive,
• critical,
• diagnostic,
• complementary,
• intense,
• continuous,
• practical,
• new,
• official,
• up,
• internal,
• massive,
• economic,
• american,
• informal,
• increased,
• common,
• extra,
• current,
• automatic,
• personal,
• operational,
• investigative,
• intellectual,
• governmental,
• quantitative,
• disciplined,
• excessive,
• developmental,
• social,
• formal,
• peripheral,
• reproductive,
• entrepreneurial,
• academic,
• regulatory,
• active,
• supporting,
• legislative,
• traditional,
• voluntary,
• clean,
• annual,
• previous,
• serious,
• charitable,
• relevant,
• small,
• significant,
• local,
• statewide,
• technological,
• major,
• expressive,
• good,
• regular,
• cooperative,
• environmental,
• routine,
• planned,
• ongoing,
• artistic,
• inexpensive,
• extracurricular,
• criminal,
• larger,
• professional,
• preventative,
• mechanical,
• scholarly,
• productive,
• spiritual,
• prolonged,

Simple categories matching clean:

• aroma,
• source,
• tool,
• surface,
• item,
• area,
• clothing,
• comestible,
• component,
• cylinder,
• material,
• container,
• industry,
• part,
• grain,
• feature,
• design,
• article,
• object,
• bottle,
• instrument,
• room,
• audio,
• waste,
• debris,
• matter,
• animal,
• place,
• paper,
• equipment,
• metal,
• linen,
• energy,
• medium,
• brush,
• air,
• hydrocarbon,
• wastewater,
• lake,
• atmosphere,
• bedding,
• vessel,
• seed,
• procedure,
• vegetable,
• cloth,
• property,
• residue,
• tubing,
• furniture,
• appliance,
• dressing,
• lettuce,
• gemstone,
• runoff,
• inside,
• substance,
• fluid,
• aggregate,
• sport,
• structure,
• sand,
• environment,
• system,
• semiconductor,
• supply,
• meat,
• salt,
• fabric,
• bones,
• string,
• extra,
• location,
• food,
• board,
• solid,
• activity,
• utensil,
• waterway,
• technology,
• pollutant,
• textile,
• fuel,
• club,
• receptacle,
• mixer,
• floor,
• business,
• solvent,
• contaminant,
• amp,
• device,
• gem,
• effort,
• ingredient,
• plate,
• apparel,
• space,
• bird,
• fish,
• drape,
• substrate,
• conduit,
• facility,
• product,
• fun,
• loan,
• piece,
• particle,
• jewel,
• electricity,
• corpus,
• stone,
• screen,
• abrasive,
• sample,
• gas,
• building,
• thing,
• soil,
• deposit,
• stain,
• jar,
• organs,
• work,
• hay,
• sediment,
• artifact,
• uniform,
• veggie,
• service,
• machine,
• garment,
• ground,
• line,
• water,
• gutter,
• green,
• liquid,
• fixture,
• territory,
• fiber,
• laundry,
• production,