Slot cutter question

The Router Bits - Cutting Tongue and Groove 1_4 slot cutter router bit Powercraft powercraft router bits for wood circular saw blade carbide tip router bits for wood set 1 4 crossjoint propeller tractor router bits for 1_43 slot cars I'm trying to find a router bit for cutting slots in solid stock that will allow 14 plywood to fit nicely into the cut groove Does anybody know if anyone

1942 sky warrior slot Router Bits Joinery Three Wing Slotting Cutters Freud Item #56-112 14 Slot Three Wing Slotting Cutter #56-112 Main Image CUTS #56-112 Main