Modifiers matching ground:

• up,
• dangerous,
• soft,
• neutral,
• coarse,
• safe,
• grown,
• hard,
• technical,
• difficult,
• slippery,
• sandy,
• high,
• rough,
• private,
• sized,
• disturbed,
• conductive,
• level,
• sensitive,
• low,
• dry,
• hazardous,
• clear,
• stable,
• clean,
• rigid,
• flat,
• shiny,
• good,
• working,
• holy,
• metal,
• metallic,
• open,
• loose,
• vertical,
• natural,
• mechanical,
• uneven,
• over,
• bad,
• under,
• unstable,
• old,
• durable,
• familiar,
• routine,
• waterlogged,
• off,
• unsecured,
• uncultivated,
• electrical,
• irregular,
• heavy,
• particular,
• paved,
• permeable,
• rocky,
• higher,
• wet,
• softer,
• weak,
• undisturbed,
• moist,
• harder,
• elevated,
• sacred,
• woven,
• convenient,
• artificial,
• common,
• white,
• new,
• firm,
• porous,
• barren,

Simple categories matching higher:

• being,
• animal,
• organism,
• degree,
• abstraction,
• fish,
• mammal,
• grain,
• vegetation,
• vertebrate,
• land,
• unit,
• location,
• plant,
• species,
• knowledge,
• elevation,
• invertebrate,
• structure,
• level,
• category,
• creature,
• unemployment,
• predator,
• quality,
• amniote,
• part,
• bird,
• values,
• eukaryote,
• cause,
• group,
• microbe,
• area,
• planet,
• decapod,
• setting,
• system,
• feline,
• reptile,
• crop,
• fibre,
• chordate,
• alcohol,
• amount,
• metazoan,
• waterbird,
• authority,
• element,
• dipteran,
• rank,
• form,
• representation,
• ground,
• education,
• precipitation,
• taxon,
• microorganism,
• source,
• food,
• order,
• self,
• action,
• protist,
• ape,
• nature,
• worm,
• fruit,
• rule,
• insect,
• grouping,
• bush,
• emotion,
• arthropod,
• card,
• crustacean,
• power,
• manager,
• headquarters,
• entity,
• force,
• activity,
• cell,