Modifiers matching allergen:

• airborne,
• reactive,
• common,
• cutaneous,
• size,
• important,
• harmless,
• outside,
• outdoor,
• home,
• indoor,
• particular,
• cereal,
• strong,
• environmental,
• microscopic,
• identifiable,
• major,
• potential,
• organic,
• perennial,
• natural,
• respiratory,
• additional,
• nasty,
• seasonal,
• inhalant,
• out,
• american,
• dietary,
• animal,
• special,
• relevant,
• systemic,
• harmful,
• typical,
• possible,
• single,
• allergic,
• new,
• familiar,
• fine,
• rare,
• unhealthy,
• unique,
• active,
• individual,
• large,

Simple categories matching rare:

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