Originally Posted by
DaveReidUK
"Two nations divided by a common language"
Well in the case of fuze vs fuse, a fuse is the part of the the primary ignition source and the first part of a powder train...like.... fuse... blasting cap or fuse.... bursting charge. A Fuze is the complete powder train leading to the detonation of HEXs...a Fuze is most commonly associated with ordnance.
Just to add to the confusion there's also a fuseé which is a flare