As nouns the difference between weld and soldering

is that weld is a herb (Reseda luteola) related to mignonette, growing in Europe, and to some extent in America, used to make a yellow dye; dyer's broom; dyer's rocket; dyer's weed; wild woad while soldering is a method of joining two metallic surfaces by melting an alloy between them.

As verbs the difference between weld and soldering

is that weld is to bind together inseparably; to unite closely or intimately while soldering is present participle of lang=en.

As a proper noun Weld

is {{surname|from=Old English}} possibly deriving from the Old English word for woodland. The family is mainly located in the Southern regions of England.