"TRANS JPN WELD SOC" is not a word, but a combination of abbreviations and letters that do not make any sense when put together. It is not possible to provide synonyms for this phrase as it does not depict a meaningful term or concept. In order to provide synonyms or alternative words, a specific word or phrase related to a particular context would be required. If you have any other words in mind or need assistance with synonyms for a different word, please provide it, and I'll be happy to help.