Modifiers matching imperfection:

• cosmetic,
• minor,
• spatial,
• institutional,
• under,
• visual,
• interfacial,
• morphological,
• microscopic,
• crystalline,
• geometric,
• abstract,
• small,
• subsurface,
• structural,
• external,
• layer,
• stubborn,
• internal,
• localized,
• out,
• natural,
• serious,
• exterior,
• mechanical,
• geometrical,
• visible,
• analog,
• macro,
• major,
• little,
• optical,
• physical,
• isolated,
• local,
• opaque,
• significant,
• dissimilar,
• large,
• static,
• technical,
• planar,
• dermatological,
• superficial,
• atomic,
• facial,

Simple categories matching crystalline:

• rock,
• fertilizer,
• material,
• system,
• thermoplastic,
• dislocation,
• drug,
• substance,
• constituent,
• solute,
• property,
• si,
• solid,
• mineral,
• metal,
• object,
• phase,
• imperfection,
• medium,
• stone,
• marble,
• substrate,
• hydrate,
• apatite,
• form,
• layer,
• aggregate,
• alloy,
• hair,
• polymer,
• carbohydrate,
• component,
• quartz,
• aragonite,
• structure,
• fibre,
• residue,
• carbon,
• filler,
• surface,
• fm,
• segment,
• oxide,
• resin,
• boundary,
• weakness,
• order,
• parameter,
• lattice,
• powder,
• nonmetal,
• tissue,
• sorbent,
• fiber,
• elastomer,
• ingredient,
• deposit,
• polysaccharide,
• particle,
• fraction,
• compound,
• character,
• defect,
• particulate,
• formation,
• element,
• sweetener,
• salt,
• shape,
• sugar,
• gem,
• matter,
• insulator,
• state,
• carrier,
• gemstone,
• ore,
• article,
• dielectric,
• semiconductor,