Synonyms are words or phrases that have similar or identical meanings to a given word. In the case of "MET OBERFL ANGEW ELEKTROCHEM", which seems to be a cobbled phrase, it is difficult to find precise equivalents. However, we can break it down into its component parts to explore potential alternatives. "Met" could refer to metal, "oberfl" may mean surface, "angew" could indicate utilized or applied, and "elektrochem" might denote electrochemical. Based on these interpretations, possible synonyms could include metal surface chemistry, utilized electrochemistry on surfaces, or applied metallurgical electrochemical processes. It's important to note that these alternatives are approximations based on the given phrase's meaning breakdown.