Category Nuances for fluidity:

• cellular,
• physical,
• internal,
• vital,
• general,
• aesthetic,
• emergent,
• necessary,
• preferable,
• inherent,
• observable,
• key,
• formal,
• fundamental,
• concrete,
• essential,
• feminine,
• natural,

Simple Categories for fluidity:

• attribute,
• trait,
• composition,
• property,
• characteristic,
• ability,
• quality,