Modifiers matching perennial:

• larger,
• tender,
• woody,
• tolerant,
• soft,
• taller,
• hardy,
• useful,
• deciduous,
• scented,
• tall,
• herbaceous,
• upright,
• simple,
• ornamental,
• popular,
• small,
• leggy,
• mature,
• alpine,
• evergreen,
• colorful,
• beautiful,
• native,
• tropical,
• large,
• vibrant,
• low,
• leafy,
• bushy,
• familiar,
• grown,
• common,
• acaulescent,
• subtropical,
• exotic,
• sensitive,
• smaller,
• medicinal,
• traditional,
• edible,
• loving,
• tough,

Simple categories matching useful:

• item,
• machine,
• tree,
• group,
• object,
• view,
• information,
• weapon,
• substance,
• quantity,
• palm,
• plant,
• garment,
• thing,
• microorganism,
• alloy,
• animal,
• facility,
• stuff,
• relic,
• book,
• assets,
• database,
• material,
• occupation,
• provisions,
• machinery,
• article,
• deposit,
• business,
• ware,
• trade,
• sensor,
• rock,
• artifact,
• organ,
• theme,
• guidance,
• substrate,
• protein,
• notion,
• agreement,
• feature,
• enterprise,
• dog,
• artefact,
• behavior,
• organism,
• peripheral,
• fibre,
• utensil,
• form,
• practice,
• language,
• plastic,
• bacteria,
• byproduct,
• program,
• widget,
• amount,
• mineral,
• area,
• data,
• accessory,
• hydrocarbon,
• protection,
• component,
• symbol,
• record,
• polymer,
• place,
• extra,
• labor,
• process,
• solid,
• lipid,
• handicraft,
• gadget,
• implement,
• operations,
• insect,
• product,
• composition,
• output,
• perennial,
• behaviour,
• regulation,
• evidence,
• ability,
• instrument,
• graph,
• supply,
• quality,
• instruction,
• text,
• amenities,
• prefab,
• mode,
• creature,
• antibiotic,
• card,
• course,
• pot,
• point,
• activity,
• framework,
• model,
• layer,
• container,
• result,
• lexis,
• links,
• chemical,
• application,
• vocabulary,
• shape,
• derivative,
• clothes,
• unit,
• character,
• shop,
• science,
• molecule,
• match,
• energy,
• routine,
• transformation,
• building,
• deliverable,
• protocol,
• larva,
• support,
• necessity,
• class,
• attribute,
• anticonvulsant,
• macromolecule,
• prize,
• work,
• predator,
• metabolite,
• metal,
• task,
• indicator,
• fixture,
• antioxidant,
• fluid,
• page,
• fuel,
• drug,
• semiconductor,
• control,
• signal,
• help,
• characteristic,
• treatment,
• document,
• construction,
• venture,
• index,
• furniture,
• value,
• device,
• example,
• grass,
• property,
• job,
• arrangement,
• knowledge,
• touch,
• intermediate,
• info,
• tissue,
• vocation,
• needle,
• microbe,
• agent,
• action,
• address,
• antidepressant,
• plane,
• library,
• mechanism,
• category,
• utility,
• resource,
• legume,
• surface,
• room,
• purpose,
• tool,
• measure,
• gas,
• structure,
• credential,
• content,
• reminder,
• emotion,
• situation,
• polyhedron,
• nutrient,
• tube,
• vehicle,
• software,
• position,
• button,
• movement,
• count,
• ornament,
• option,
• catalyst,
• improvement,
• topic,
• theory,
• event,
• fraction,
• part,
• pharmaceutical,
• calculation,
• constituent,
• identifier,
• arts,
• subject,
• phytochemical,
• organisation,
• skill,
• technique,
• food,
• herb,
• section,
• toiletry,
• remedy,
• table,
• appliance,
• solute,
• species,
• invention,
• residue,
• equipment,
• compound,
• salt,
• bird,
• outbuilding,
• commodity,
• institution,
• phenomenon,
• profession,
• sound,
• variation,
• project,
• entity,
• elements,
• function,
• acid,
• service,
• location,
• format,
• gear,
• illustration,
• end,
• trifle,
• concept,
• piece,
• passion,
• abstraction,
• message,
• particle,
• steroid,
• craft,
• system,
• report,
• publication,
• trait,
• life,
• tip,
• details,