We don't have synonyms for jake legs yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are jake leg and have legs.
(n) :
(US, slang, historical, 1930s and 40s) Paralysis of the feet and ankles caused by the consumption of TOCP (tri-ortho-cresyl phosphate) or methyl alcohol, found in adulterated moonshine or Jamaica ginger extract.
(n) :
(US, slang, historical, 1930s and 40s) Paralysis of the feet and ankles caused by the consumption of TOCP (tri-ortho-cresyl phosphate) or methyl alcohol, found in adulterated moonshine or Jamaica ginger extract.