| austere(adjective, simple, grim, basic, stark) |
| ABCs(fundamental, shorts, undercarriage) |
| bare bones(noun, expression, fundamental, shorts, undercarriage) |
| basic(noun, simple, fundamental, stark, shorts) |
| basic elements(noun, expression, basic, no-frills) |
| basic facts(noun, expression, basic, fundamental, shorts) |
| coal and ice(expression, idiom, fundamental, shorts, undercarriage) |
| credenda(fundamental, shorts, undercarriage) |
| doctrine(fundamental, shorts, undercarriage) |
| element(fundamental, shorts, undercarriage) |
| essential(fundamental, shorts, undercarriage) |
| essential element(noun, expression, fundamental, shorts, undercarriage) |
| essential elements(noun, expression, basic, fundamental, shorts) |
| fire and ice(expression, idiom, fundamental, shorts, undercarriage) |
| fundamental(shorts, undercarriage) |
| gravamen(fundamental, shorts, undercarriage) |
| heart(fundamental, shorts, undercarriage) |
| implantation(fundamental, shorts, undercarriage) |
| inculcation(fundamental, shorts, undercarriage) |
| integrant(fundamental, shorts, undercarriage) |