Modifiers matching line:

• flexible,
• private,
• straight,
• incoming,
• ancillary,
• curved,
• working,
• closed,
• underground,
• evocative,
• conductive,
• domestic,
• functional,
• dry,
• vertical,
• deep,
• irregular,
• supporting,
• fine,
• geometric,
• horizontal,
• affected,
• metal,
• sharp,
• base,
• broken,
• smooth,
• electric,
• departmental,
• secure,
• melodic,
• metallic,
• dark,
• clean,
• spectral,
• physical,
• heavier,
• up,
• public,
• wired,
• loose,
• off,
• ornamental,
• peripheral,
• external,
• simple,
• central,
• additional,
• periodic,
• larger,
• molecular,
• hidden,
• trim,
• real,
• auxiliary,
• planar,
• strong,
• meaningful,
• several,
• natural,
• slow,
• adventurous,
• extraneous,
• thin,
• stock,
• electronic,
• hydraulic,
• continuous,
• faint,
• smaller,
• thematic,
• active,
• structural,
• black,
• primary,
• fixed,
• profitable,
• single,
• special,
• restricted,
• soft,
• powerful,
• long,
• parallel,
• major,
• colored,
• facial,
• broadband,
• elastic,
• protective,
• pneumatic,
• defined,
• light,
• particular,
• drawn,
• popular,
• moving,
• electrical,
• elongated,
• identifiable,
• operational,
• overhead,
• nonmetallic,
• digital,
• personal,
• stable,
• outside,
• sophisticated,
• longer,
• linear,
• specified,
• traditional,
• mechanical,
• fluid,
• medical,
• solid,
• short,
• critical,
• carved,
• architectural,
• new,

Simple categories matching smooth:

• stick,
• surface,
• rock,
• fabric,
• operation,
• thing,
• board,
• leather,
• material,
• article,
• substrate,
• flavor,
• object,
• location,
• implement,
• sphere,
• portion,
• area,
• dessert,
• container,
• food,
• line,
• floor,
• substance,
• tissue,
• pasta,
• feature,
• furnishing,
• color,
• skin,
• shape,
• structure,
• block,
• part,
• cotton,
• instrument,
• flooring,
• coating,
• layer,
• region,
• metal,
• cloth,
• function,
• plant,
• support,
• sheet,
• muscle,
• plastic,
• boundary,
• circuit,
• hardboard,
• interface,
• medium,
• ball,
• polymer,
• stone,
• fiber,
• figure,
• solid,
• body,
• ice,
• plate,
• set,
• roller,
• filter,
• curve,
• operations,
• roadway,
• leaf,
• fruit,
• highway,
• yogurt,
• form,
• wall,
• yarn,
• hardwood,
• item,