| common(adjective, simple, pure, basic, unadorned) |
| commonplace(adjective, simple, pure, basic, unadorned) |
| conventional(adjective, simple, pure, basic, unadorned) |
| core(noun, structure, basic, frame) |
| credenda(fundamental, shorts, undercarriage) |
| discreet(adjective, simple, pure, basic, unadorned) |
| doctrine(fundamental, shorts, undercarriage) |
| dry(adjective, simple, pure, basic, unadorned) |
| dull(adjective, simple, pure, basic, unadorned) |
| element(fundamental, shorts, undercarriage) |
| essential(fundamental, shorts, undercarriage) |
| essential element(noun, expression, fundamental, shorts, undercarriage) |
| essential elements(noun, expression, basic, fundamental, shorts) |
| essentials |
| everyday(adjective, simple, pure, basic, unadorned) |
| fabric(noun, structure, frame) |
| fire and ice(expression, idiom, fundamental, shorts, undercarriage) |
| foundation(noun, structure, frame, essentials, basics) |
| frame(noun, structure, basic) |
| frame of reference(noun, expression, idiom, structure, frame) |