Modifiers matching hardwood:

• warm,
• seasoned,
• solid,
• unfinished,
• native,
• dense,
• unwanted,
• classical,
• dried,
• larger,
• dark,
• noble,
• exotic,
• ornamental,
• tropical,
• alternative,
• temperate,
• white,
• domestic,
• hard,
• popular,
• appalachian,
• foreign,
• valuable,
• european,
• small,
• irish,
• fine,
• scottish,
• durable,
• resinous,
• sustainable,
• important,
• clear,
• english,
• healthy,
• hardy,
• softer,
• costly,
• oily,
• heavier,
• nice,
• darker,
• unusual,
• tough,
• superior,
• young,
• commercial,
• coloured,
• tall,
• mixed,
• stained,
• porous,
• real,
• robust,
• natural,
• northern,
• dead,
• colored,
• rich,
• suitable,
• beautiful,
• strong,
• heavy,
• smooth,
• southern,
• asian,
• american,
• flexible,
• unique,
• african,
• indigenous,
• rare,
• available,
• british,
• old,
• manufactured,
• new,
• trim,
• traditional,
• light,
• good,
• precious,
• lighter,
• aromatic,
• attractive,
• local,
• deciduous,
• dry,
• mature,
• common,
• raw,
• central,
• regular,
• soft,
• grown,
• varnished,
• riparian,
• expensive,

Simple categories matching rare:

• predator,
• object,
• metal,
• substance,
• animal,
• critter,
• gas,
• circumstances,
• monotreme,
• material,
• allergen,
• creature,
• solid,
• bird,
• occurrence,
• waterbird,
• error,
• feline,
• event,
• waterfowl,
• earth,
• deposit,
• book,
• dyscrasia,
• wildflower,
• insect,
• bauble,
• commodity,
• gem,
• plant,
• finch,
• wood,
• artifact,
• trade,
• item,
• dragon,
• anuran,
• dragonfly,
• tree,
• armor,
• instrument,
• mishap,
• foodstuff,
• complication,
• raptor,
• spice,
• cat,
• defect,
• virus,
• language,
• pathogen,
• character,
• disaster,
• piece,
• art,
• monument,
• disease,
• compound,
• condition,
• resource,
• treasure,
• hazard,
• taxon,
• unit,
• nester,
• betaine,
• constituent,
• flower,
• delicacy,
• invertebrate,
• symptom,
• phenomenon,
• vertebrate,
• fibre,
• antiquity,
• drug,
• atom,
• ungulate,
• vegetable,
• fruit,
• disturbance,
• mutation,
• recording,
• weed,
• wine,
• infection,
• feature,
• document,
• quality,
• endemic,
• fish,
• building,
• survivor,
• trait,
• alkali,
• component,
• neoplasm,
• flora,
• tumor,
• process,
• duck,
• harm,
• thing,
• amphibian,
• society,
• native,
• vehicle,
• product,
• essence,
• problem,
• stone,
• cancer,
• hardwood,
• cause,
• danger,
• pet,
• jewel,
• works,
• gemstone,
• kind,
• lesion,
• disorder,
• chemical,
• crystal,
• organism,
• antelope,
• entity,
• instance,
• form,
• extra,
• species,
• food,
• illness,
• substrate,
• pathology,
• community,
• relative,
• anaemia,
• herb,
• mammal,
• spirits,
• mineral,
• seabird,
• location,
• mollusc,
• meat,
• oxide,
• shape,
• formation,
• reptile,
• fauna,
• hominid,
• element,
• article,
• abnormality,
• carnivore,
• source,
• case,
• reaction,
• group,
• car,
• weapon,
• butterfly,
• situation,
• stuff,
• coin,
• cell,
• medium,
• monster,
• salamander,
• merchandise,
• malignancy,
• mushroom,
• intervention,
• outcome,
• tumour,
• ingredient,