We don't have synonyms for weesel yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are weasel, weese and wiesel.
(n) :
Archaic form of weasel. [Any of the carnivorous mammals of the genera Mustela, Neogale, Poecilogale, and Lyncodon, having a slender body, a long tail and usually a light brown upper coat and light-coloured belly.]
(n) :
Archaic form of weasel. [Any of the carnivorous mammals of the genera Mustela, Neogale, Poecilogale, and Lyncodon, having a slender body, a long tail and usually a light brown upper coat and light-coloured belly.]