| simple(adjective, hard, severe, rough, plain) |
| solemn(adjective, importance, valuable, main, notable) |
| substance(noun, adjective, importance, basic, necessity) |
| ultimate(adjective, importance, surface, main, typical) |
| virtual(adjective, essence, intrinsicality) |
| deep(adjective, original, basic, intimate, secret) |
| deep-rooted(adjective, private, mental, inner) |
| desideratum(noun, right, concern, demand, want) |
| effective(adjective, useful, beneficial, advantageous) |
| heart(noun, support, action, base, importance) |
| iconic(adjective, feature, state, characteristic, most important) |
| inward(adjective, private, mental, inner, intrinsicality) |
| most important |
| native(adjective, characteristic, reasonable, common, ordinary) |
| plain(adjective, simple, pure, straightforward, basic) |
| pressing(adjective, big, important, significant, substantial) |
| primitive(adjective, body, simple, plain, material) |
| profound(adjective, basic, intimate, fundamental, secret) |
| quintessential(adjective, characteristic, important, common, ordinary) |
| of import |