The difference between the two printmaking is the materials used and the design which were carved or incised
Woodcut is the oldest form of printmaking.
Woodcut involves the process where knives, sharp tools are used to carve a design unto the surface of the wood.
Intaglio is a form of printmaking technique where image are produced by incision made on the printing plate which are often Metal.
On the incised plate, the line or area will holds the ink and thus, creates the image on the metal plate.
Therefore, in conclusion, the difference between woodcut and intaglio printmaking is that wood and metal surface are used respectively and the tools for designing them are different
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