| earliest(adjective, beginning, begin, original) |
| emergent(adjective, start, beginning, begin) |
| foundational(adjective, origin, birth) |
| gestatory(adjective, origin, birth) |
| growing(noun, adjective, begin, fresh) |
| in its infancy(expression, adjective, idiom, begin) |
| in the bud(expression, adjective, idiom, origin) |
| incunabular(adjective, origin, birth) |
| inventive(adjective, origin, birth) |
| longitudinal(noun, adjective, begin, origin) |
| meager(adjective, origin, birth) |
| nanoid(adjective, origin, birth) |
| parturient(adjective, origin, birth) |
| pregnant(adjective, origin, birth) |
| premature(adjective, origin, birth) |
| prenatal(adjective, origin, birth) |
| pristine(adjective, head, beginning, opening) |
| procreative(adjective, origin, birth) |
| progressive(noun, adjective, begin, origin) |
| prolegomenous(adjective, origin, birth, introductory) |