| dogma(noun, concept, understanding, philosophy) |
| heart(noun, support, action, base) |
| rock bottom(expression, foundation, basic, stipulation) |
| rudiment(noun, support, action, base) |
| source(noun, support, regulation, action) |
| ABCs(foundation, basic, stipulation, tenet) |
| basic(foundation, stipulation, tenet, axiom) |
| bottom line(noun, expression, foundation, basic) |
| brass tacks(noun, expression, foundation, basic) |
| coal and ice(noun, expression, idiom, foundation) |
| component(foundation, basic, stipulation, tenet) |
| constituent(foundation, basic, stipulation, tenet) |
| cornerstone(foundation, basic, stipulation, tenet) |
| credence(noun, understanding, trust, confidence) |
| criterion(noun, regulation, rule, standard) |
| element(foundation, basic, stipulation, tenet) |
| essential part(noun, expression, foundation, basic) |
| ethic(noun, rule, notion, fundamental) |
| factor(foundation, basic, stipulation, tenet) |
| form(noun, plan, rule, way) |