As nouns the difference between fuze and guze
is that fuze is archaic form of lang=en (detonator while guze is a roundlet of the sanguine tincture, which is blazoned without mention of the tincture.
As a verb fuze
is to attach a fuze or similar detonator.
fuze
English
Verb
(fuz)
To attach a fuze or similar detonator.
guze
English
Noun
(
en noun)
(heraldiccharge) A roundlet of the sanguine tincture, which is blazoned without mention of the tincture.
(
Webster 1913)