Difference between Manifold and Manyfold

Manifold

Part of speech: noun

Definition: A copy made by the manifold writing process. A pipe fitting or similar device that connects multiple inputs or outputs. The third stomach of a ruminant animal, an omasum. A topological space that looks locally like the "ordinary" Euclidean space \mathbb{R}^n and is a Hausdorff space.

Part of speech: adjective

Definition: Various in kind or quality; many in number; numerous; multiplied; complicated; diverse. Exhibited at diverse times or in various ways.

Part of speech: adverb

Definition: Many times; repeatedly.

Manyfold

Part of speech: adverb

Definition: By many times.

Part of speech: adjective

Definition: many