Synonyms of inventions

2 Syllables
genius, brainchild, opus, gimmick, doodad, gizmo, design, gadget
3 Syllables
concoction, novelty, contraption, device, coinage
4 Syllables
ingenuity, inspiration, apparatus, creativity, discovery, innovation, contrivance, development, original
5 Syllables
imagination, inventiveness, resourcefulness
6 Syllables
originality