Category Nuances for stiffness:

• undesirable,
• physical,
• macroscopic,
• intrinsic,
• mechanical,
• structural,
• outstanding,
• aggregate,
• important,
• desired,
• concrete,
• additional,
• practical,
• dynamical,
• desirable,
• average,
• static,
• superior,
• cellular,
• measurable,
• inherent,
• viscoelastic,
• advantageous,
• key,
• tensile,
• elastic,
• positive,
• complex,
• physicochemical,
• necessary,
• main,
• superficial,
• unique,
• physiological,
• dynamic,
• distinct,
• global,
• critical,
• damaging,
• initial,
• technological,
• rheological,
• architectural,
• special,
• plastic,
• random,
• individual,
• solid,
• attractive,
• favorable,
• pertinent,
• typical,
• joint,
• original,
• single,
• thermal,
• same,
• qualitative,
• layer,
• related,
• technical,
• characteristic,
• secondary,
• exciting,
• good,
• exceptional,
• tactile,
• natural,
• beneficial,
• excellent,
• fundamental,
• essential,
• acoustic,
• vital,
• internal,

Simple Categories for stiffness:

• difficulty,
• behaviour,
• property,
• uncertainty,
• characteristic,
• attribute,
• quality,
• fibre,
• behavior,
• quantity,