| rule(noun, law, regulation, part, attitude) |
| component(noun, adjective, drop, part, material) |
| constituent(noun, adjective, drop, part, material) |
| critical(adjective, severe, important, significant, original) |
| foundation(noun, law, regulation, part, cause) |
| foundational(adjective, clear, simple, plain, pure) |
| ingrained(adjective, intrinsicality, intrinsic) |
| natural(adjective, characteristic, simple, material, essential) |
| pure(adjective, simple, pure, whole, united) |
| chief(adjective, important, significant, essential, basic) |
| cornerstone(noun, part, base, basic, basis) |
| initial(adjective, start, simple, plain, head) |
| monolithic(adjective, simple, pure, whole, united) |
| need(noun, verb, concern, demand, essential) |
| paramount(adjective, important, significant, original, essential) |
| profound(adjective, abstract, theoretical, abstruse, philosophical) |
| significant(adjective, important, original, essential, critical) |
| sine qua non(noun, expression, idiom, part, need) |
| aboriginal(adjective, harsh, violent, pure, head) |
| constitutive(adjective, important, capital, essential, critical) |