Modifiers matching steel:

• metal,
• refined,
• alloyed,
• exotic,
• dissimilar,
• cold,
• hard,
• special,

Simple categories matching exotic:

• animal,
• compound,
• fruit,
• aroma,
• skin,
• material,
• scent,
• semiconductor,
• service,
• commodity,
• gift,
• nut,
• alphabet,
• wood,
• pet,
• creature,
• bird,
• flavoring,
• phenomenon,
• subject,
• fluorescein,
• entity,
• oxide,
• property,
• beast,
• livestock,
• tree,
• plant,
• farming,
• jewelry,
• land,
• metal,
• nature,
• chemical,
• weaponry,
• illness,
• yeast,
• massage,
• use,
• insulator,
• shrub,
• fluid,
• elapid,
• particle,
• gemstone,
• cat,
• conductor,
• honeysuckle,
• glasses,
• chocolate,
• injury,
• product,
• insect,
• fibre,
• fabric,
• piece,
• vegetable,
• matter,
• grain,
• equipment,
• beverage,
• tea,
• drink,
• mushroom,
• item,
• paint,
• fare,
• agent,
• canine,
• ungulate,
• banana,
• herbivore,
• mint,
• flavor,
• condition,
• mineral,
• ornament,
• grass,
• leather,
• decay,
• concoction,
• foliage,
• vine,
• easterner,
• steel,
• topic,
• stuff,
• red,
• offering,
• part,
• ornamental,
• process,
• nitride,
• restaurant,
• atom,
• substrate,
• ability,
• ware,
• object,
• phase,
• investment,
• oddity,
• danger,
• sport,
• vehicle,
• rodent,
• embellishment,
• seabird,
• skill,
• filling,
• parrot,
• event,
• unit,
• carp,
• component,
• medium,
• mammal,
• hardwood,
• fiber,
• amphibian,
• treatment,
• fur,
• predator,
• annual,
• flower,
• goody,
• article,
• aircraft,
• perennial,
• fowl,
• clothing,
• flora,
• style,
• herb,
• feline,
• evergreen,
• cervid,
• sensor,
• bloom,
• seasoning,
• baryon,
• poison,
• lizard,
• wool,
• place,
• means,
• infection,
• cake,
• sound,
• location,
• berry,
• cocktail,
• format,
• host,
• weapon,
• spread,
• critter,
• passerine,
• brew,
• system,
• treasure,
• thing,
• substance,
• accessory,
• dish,
• seafood,
• instrument,
• game,
• garden,
• fragrance,
• country,
• reptile,
• alloy,
• rat,
• ruminant,
• citrus,
• opportunity,
• constituent,
• fauna,
• food,
• snake,
• billfish,
• star,
• energy,
• character,
• language,
• veggie,
• addition,
• species,
• pig,
• friend,
• poultry,
• option,
• soup,
• essence,
• bearing,
• foodstuff,
• toxin,
• virus,
• hadron,
• creation,
• pest,
• tongue,
• aggregate,
• import,
• jewellery,
• derivative,
• organism,
• battery,
• drug,
• flavouring,
• form,
• fuel,
• structure,
• meat,
• cd,
• disease,
• rock,
• instrumentation,
• bush,
• sauce,
• conifer,
• concept,
• practice,
• artifact,
• abrasive,
• interaction,
• state,
• venture,
• spice,
• incense,
• gem,
• fish,
• stone,
• market,
• delicacy,
• cause,
• polymer,
• granite,
• capacitor,
• ingredient,
• flavour,
• carnivore,
• activity,
• extra,
• entertainment,
• salad,
• card,
• idea,
• butter,
• firearm,
• antenna,
• feather,