SNELL is validvalid

keen [adj SNELLER, SNELLEST] / to attach a short line to a fishhook [v SNELLED, SNELLING, SNELLS]

12,995 of 196,601 in NWL2023·also valid in CSW24

keen, sharp [adj SNELLER, SNELLEST, SNELLY] / to attach such a hook [v -ED, -ING, -S]