Modifiers matching door:

• sliding,
• down,
• external,
• additional,
• open,
• close,
• commercial,
• vertical,
• large,
• single,
• horizontal,
• transparent,
• inner,
• overhead,
• moving,
• vulnerable,
• residential,
• rotational,
• smaller,
• sectional,
• fixed,
• common,
• light,
• narrow,
• special,
• larger,

Simple categories matching transparent:

• material,
• insulator,
• assembly,
• medium,
• base,
• item,
• substrate,
• piece,
• tube,
• fiber,
• prey,
• aerosol,
• oxide,
• substance,
• object,
• textile,
• sample,
• mineral,
• layer,
• compound,
• carrier,
• gemstone,
• stone,
• container,
• part,
• crystal,
• pot,
• composite,
• solid,
• original,
• aggregate,
• blade,
• measure,
• surface,
• component,
• construction,
• tubing,
• defect,
• blank,
• solvent,
• conductor,
• flame,
• film,
• gas,
• matter,
• commodity,
• plate,
• tissue,
• gem,
• receptacle,
• paint,
• support,
• varnish,
• entity,
• cylinder,
• process,
• fluid,
• product,
• resin,
• door,
• armor,
• elastomer,
• fabric,
• animal,
• enclosure,
• thing,
• body,
• creature,
• article,
• coating,
• glass,
• paper,
• volume,
• metal,
• plastic,
• coat,
• system,
• polymer,
• particle,
• plane,
• criterion,
• subject,
• area,
• covering,
• cover,
• document,
• liquid,
• food,
• solution,
• organism,
• platen,
• region,
• molecule,
• structure,
• image,
• control,
• member,
• filter,
• cap,
• dielectric,
• wall,
• panel,
• format,
• sheet,