| lifeblood(fundamental, shorts, undercarriage) |
| name of game(expression, idiom, fundamental, shorts, undercarriage) |
| necessity(fundamental, shorts, undercarriage) |
| need(fundamental, shorts, undercarriage) |
| nitty gritty(expression, fundamental, shorts, undercarriage) |
| no-frills(noun, basic, fundamental, shorts, undercarriage) |
| no frills(noun, expression, fundamental, shorts, undercarriage) |
| nub(fundamental, shorts, undercarriage) |
| nubbin(fundamental, shorts, undercarriage) |
| polestar(fundamental, shorts, undercarriage) |
| principium(fundamental, shorts, undercarriage) |
| rudiment(fundamental, shorts, undercarriage) |
| shorts(fundamental, undercarriage) |
| undercarriage(noun, basic, fundamental, shorts, no-frills) |
| universal law(expression, fundamental, shorts, undercarriage) |
| unwritten rule(expression, fundamental, shorts, undercarriage) |
| vital part(expression, fundamental, shorts, undercarriage) |