Category Nuances for doorknob:

• inanimate,
• everyday,
• soiled,
• shared,
• standardized,
• metallic,
• round,
• innocent,
• metal,
• conductive,
• firm,
• fixed,
• decorative,
• common,
• out,
• spherical,
• functional,
• larger,
• mundane,
• immobile,
• utilitarian,
• covered,
• practical,
• nonliving,
• smooth,

Simple Categories for doorknob:

• part,
• piece,
• object,
• ground,
• thing,
• portion,
• knob,