There are a huge variety of products for repairing holes and rot in wood. Editor Brian Pontolilo describes the differences between wood fillers, putties, epoxies, and spackle, as well as when each is most appropriately used.
Wood filler in fine woodworking? - FineWoodworking
Gorilla All Purpose Wood Filler, 16 Ounce Tub, Natural (Pack of 1)
Open-grain vs. closed-grain wood - FineWoodworking
Deciding on Wood Fillers - Fine Homebuilding
Refinish Your Wood Floors - Fine Homebuilding
Bondo 12 Ounce Gold Paintable Wood Filler 30081 The Home, 50% OFF
Touching up Stain-Grade Crown-Molding Joints - Fine Homebuilding
Minwax Natural Pine Wood Putty in the Wood Stain Repair department at
The best wood fillers for painting