Synonyms of origins

1 Syllable
well, roots, spring, seed, egg, base, root, stock, germ
2 Syllables
wellspring, mainspring, agent, fountain, nucleus, parent, creator, source, embryo, author
3 Syllables
element, ancestry, connection, ancestor, impulse, causation, inception, producer, occasion, influence, principle, motive
4 Syllables
causality, provenience, parentage, inducement, provenance, inspiration, antecedent, derivation, progenitor, generator, determinant