| factual(adjective, physical, material, true, actual) |
| heart(adjective, inside, interior, inner, inward) |
| heartfelt(adjective, physical, material, true, actual) |
| important(adjective, significant, original, substantial, serious) |
| incarnate(physical, material, actual, intrinsicality) |
| indispensable(adjective, characteristic, important, significant, natural) |
| ingenerate |
| inveterate(adjective, impulse) |
| irreducible |
| key(adjective, important, significant, original, essential) |
| legitimate(adjective, physical, material, true, actual) |
| main(adjective, original, essential, basic, absolute) |
| necessary(adjective, important, significant, original, essential) |
| not taught |
| positive(adjective, physical, material, true, actual) |
| primitive(adjective, important, significant, original, essential) |
| principal(adjective, important, significant, original, essential) |
| quintessential |
| resident(adjective, characteristic, natural, individual, essential) |
| right(adjective, physical, material, true, actual) |